小学一年级数学20以内加减法口算题2200题汇总
打坐的方法-职业道德规范
一年级数学20以内加减法口算练习（1）
9+2=
5+7=
9+8=
7+5=
16- 5 =
7 + 9 =
9 +
5 =
6 + 8 =
13 - 5 =
8 + 3 =
7 + 8
=
14 - 8 =
4 + 8 =
( )- 6 = 8
2
+( )= 11
( )- 12 = 0
9 +( )= 13
(
)- 8 = 8
9 +( )= 17
12- 3 + 4 =
16 -
9 + 5 =
9 + 6 - 7 =
13 - 4 + 6 =
6 + 8
- 9 =
17 - 8 - 5 =
4+7=
8+4=
3+9=
6+8=
3 + 9 =
11 - 9
=
7 + 6 =
12 - 4 =
8 + 7 =
19 - 9
=
13 - 7 =
6 + 6 =
16 - 8 =
6 +(
)= 12
18 -( )= 12
6 +( )= 15
( )- 7
= 12
( )+ 9 = 13
14 -( )= 5
6 - 5 +
14 =
4 + 9 - 7 =
13 - 7 - 4 =
14 - 7 +
5 =
11 - 7 + 6 =
12 + 3 + 5 =
8+3=
2+9=
9+6=
8+3=
18 - 9 =
11 - 6 =
12 - 9 =
9 + 7 =
16 - 7 =
11 - 2 =
5 + 6 =
15 - 9 =
8 + 5 =
16 -( )= 13
8 +( )= 14
( )- 9 = 4
18 -( )= 14
( )+ 9 = 18
( )- 6 = 10
4 + 9 - 6 =
3 + 15 - 9 =
5 + 7 + 4 =
11 - 4 + 8 =
15 - 7 - 4 =
12 - 6 + 8 =
6+5=
4+9=
7+8=
9+4=
6 + 7
=
14 - 2 =
9 + 8 =
13 - 8 =
7 + 7
=
12 - 7 =
17 - 8 =
8 + 8 =
14 - 9
=
3 +( )= 12
( )- 7 = 10
7 +( )= 12
( )+ 3 = 12
15 -( )= 8
( )- 4 = 12
8+5-10=
5+6-1=
4+4+4=
3+6+5=
13 + 2 - 6 =
16 - 6 + 3 =
一年级数学20以内加减法口算练习（2）
8 + 7 =
16
- 7 =
9 + 6 =
5 + 8 =
8+3=
4+7=
9+3=
8+9=
5+8=
14 - 7 =
5 + 9
=
11 - 5 =
7 + 8 =
( )+ 8= 14
17
-( )= 9
( )- 7 = 7
( )+ 9 = 13
(
)- 8 = 5
9 +( )= 16
17 - 6 - 7 =
8 +
8 - 7 =
10 + 6 - 8 =
14 - 8 + 8 =
16 -
7 - 5 =
4 + 5 + 7 =
9 + 8 =
5 + 7 =
14 - 9 =
7 + 7 =
8+4=
9+3=
5+9=
8+6=
7+7=
8 + 3 =
17 - 9 =
9 + 7 =
8 + 4 =
11 -( )=
9
8 +( )= 17
( )- 9 = 9
15 -( )= 6
4 +( )= 12
( )- 7 = 8
4 + 5 + 9 =
11 - 4 + 5 =
16 - 5 - 6 =
9 + 7 - 6 =
2 + 8 + 5 =
17 - 8 + 3 =
16 - 8 =
9 + 4 =
4 + 8 =
17 - 8 =
2+9=
6+7=
8+4=
9+7=
5+9=
15 - 8 =
8 + 8 =
14 - 6 =
11 - 4 =
( )+ 6
= 15
15 -( )= 9
3 +( )= 11
( )+ 6 =
12
7 +( )= 14
( )- 8 = 3
6 + 8 + 4 =
15 - 8 + 9 =
3 + 8 + 8 =
12 - 6 + 2 =
4 + 5 + 2 =
10 - 5 + 4 =
7 + 9 =
15 - 6 =
6 + 7 =
2 + 9 =
6+7=
9+3=
3+8=
9+6=
4+8=
9 + 8 =
11 - 7 =
8 + 5 =
6 + 9 =
( )- 7 =
5
5 +( )= 14
( )- 7 = 9
9 +( )= 18
( )- 6 = 6
( )+ 7 = 11
13 - 8 + 6 =
3 + 7 + 6 =
16 - 5 - 8 =
6 + 8 + 3 =
13 - 4 + 7 =
12 + 6 - 9 =
一年级数学20以内加减法口算练习（3）
13 - 4 =
9
+ 5 =
15 - 6 =
12 - 9 =
9 + 8 =
6
+ 8 =
11 - 8 =
8 + 5 =
12 - 7 =
6
+ 6 =
13 - 6 =
7 + 8 =
11 - 5 =
17
-( )= 9
( )+ 9 = 15
14 -( )= 7
(
)- 5 = 8
( )- 8 = 8
4 +( )= 11
11 -
8 + 6 =
4 + 6 + 5 =
14 - 7 + 4 =
4 + 6
+ 6 =
13 - 5 - 7 =
7 + 6 + 5 =
7 + 9 =
12 - 4 =
16 - 8 =
5 +
8 =
11 - 6 =
4 + 8 =
9 + 6 =
13 -
9 =
6 + 9 =
14 - 5 =
3 + 9 =
15 -
6 =
5 + 7 =
( )+ 8 = 11
13 -( )= 9
( )- 5 = 9
( )+ 9 = 18
9 +( )= 12
( )- 4 = 7
4 + 7 + 3 =
14 - 5 + 9 =
4 + 7 + 4 =
8 + 6 - 7 =
14 - 8 + 1 =
13 - 3 - 8 =
13 - 4 =
8 + 8 =
11 - 3 =
7 + 7 =
13 - 7 =
8 + 6 =
13 - 5 =
16 - 8 =
6 + 7 =
11 - 7 =
8 + 9 =
7 + 6 =
13 - 8 =
9 +( )=
17
( )+ 3 = 11
( )- 9 = 6
14 -( )=
9
( )+ 9 = 12
16 -( )= 7
7 + 7 - 8 =
5 + 4 + 8 =
13 - 8 + 2 =
14 - 5 + 8 =
3 + 8 + 7 =
16 - 6 - 9 =
9 +8 =
12 - 5 =
7 + 7 =
14 - 9 =
4 + 9 =
12 - 8 =
11 - 9 =
8 + 7 =
12 - 6 =
9 + 7 =
15 - 7 =
9 + 4 =
18 - 9 =
12 -( )= 3
( )+ 8 = 13
2 +( )= 11
( )+ 7 = 14
( )- 8 = 9
5 +( )= 14
13 - 6 + 6 =
9 + 7 + 2 =
13 - 4 + 5 =
10 + 6 + 1 =
10 - 8 + 7 =
6 + 8 - 9 =
一年级数学20以内加减法口算练习（4）
8 + 7 =
19 - 9 =
8 + 7 =
4 + 8 =
12 - 3 =
11 - 6 =
7 + 9 =
11 - 3 =
15 - 7 =
6 + 8 =
12 - 4 =
9 + 8 =
6 + 6 =
( )- 7 = 5
9 +( )= 18
( )- 3 = 8
12 -( )= 3
( )+ 9 = 11
15 -( )= 7
15 - 3 + 4 =
10 + 5 - 6 =
18 - 6 - 5 =
11 - 6 + 8 =
7 + 6 - 5 =
12 - 6 - 3 =
6 + 8 =
15 - 8 =
14 - 8
=
13 - 7 =
9 + 9 =
13 - 4 =
5 + 6
=
14 - 7 =
8 + 8 =
9 + 5 =
13 - 6
=
12 - 7 =
4 + 9 =
( )+ 9 = 12
(
)- 6 = 6
6 +( )= 11
( )+ 9 = 14
11
-( )= 9
( )+ 7 = 13
7 + 6 + 6 =
6 -
3 + 9 =
4 + 4 + 5 =
19 - 4 - 1 =
17 -
6 + 5 =
9 + 7 - 1 =
16 - 7 =
6 +
7 =
11 - 5 =
7 + 8 =
8 + 6 =
5 + 8
=
11 - 7 =
7 + 5 =
13 - 5 =
12 - 6
=
9 + 7 =
13 - 8 =
14 - 6 =
( )-
9 = 9
( )+ 8 = 11
17 -( )= 9
( )- 6
= 8
( )- 9 = 7
9 +( )= 13
12 + 4 - 3
=
12 - 3 - 6 =
11 - 6 + 9 =
5 + 6 + 8
=
10 + 5 - 4 =
15 + 4 - 2 =
5 + 7
=
8 + 9 =
12 - 5 =
6 + 5 =
14 - 5
=
17 - 8 =
7 + 6 =
5 + 9 =
11 - 2
=
9 + 4 =
11 - 4 =
7 + 7 =
9 + 6 =
4 +( )= 13
( )+ 6 = 12
16 -( )= 8
( )+ 6 = 14
12 -( )= 5
3 +( )= 12
16 - 7 + 7 =
7 + 4 + 7 =
13 - 5 - 4 =
14 - 3 - 3 =
2 + 6 + 9 =
18 - 7 + 6 =
一年级数学20以内加减法口算练习（5）
3 + 8 =
16 - 8 =
5 + 12 =
16 - 7 =
9 + 3 =
13 - 5 =
14 - 4 =
5 + 6 =
12 - 6 =
6 + 8 =
18 - 9 =
15 - 6 =
5 + 9 =
( )+ 7 = 15
15 -( )= 8
( )+ 9 = 18
15 -( )= 6
( )+ 9 = 12
14 -( )= 8
11 - 2 - 8 =
6 + 2 + 5 =
9 + 3 - 6 =
2 + 2 + 1 =
7 - 3 + 8 =
2 + 7 + 4 =
4 + 11 =
4 + 8 =
18 - 5
=
3 + 9 =
5 + 14 =
15 - 8 =
3 + 8
=
7 + 7 =
11 - 2 =
14 - 6 =
7 + 9
=
12 - 3 =
11 - 5 =
( )- 6 = 7
(
)+ 8 = 11
16 -( )= 9
( )- 8 = 9
9 +(
)= 16
( )- 8 = 6
7 + 2 + 9 =
8 - 2 +
6 =
10 - 2 - 7 =
6 - 2 + 7=
4 + 6 -3 =
6 + 2 + 6 =
6 + 9 =
2 + 16 =
4 + 12 =
6 + 6 =
17 - 8 =
4 + 9 =
16 - 5 =
19 - 3 =
14 - 5 =
5 + 7 =
11 - 4 =
5 + 8 =
13 - 6 =
( )+ 3
= 11
13 -( )= 9
2 +( )= 11
13 -( )=
8
( )- 6 = 9
( )+ 5 = 14
11 - 2 + 5
=
8 - 3 + 2 =
8 - 2 + 9 =
2 + 6 + 8 =
6 - 3 + 4 =
12 + 2 - 9 =
11 - 7 =
18 - 4 =
8 + 8 =
19 - 2 =
4 + 7 =
12 - 5 =
11 - 5 =
6 + 7 =
8 + 9 =
13 - 4 =
7 + 12 =
14 - 7 =
2 + 9 =
4 +( )= 11
( )- 9 = 2
6 +( )= 14
( )+ 5 = 12
15 -( )= 9
( )+ 9 = 13
2 + 3 + 3 =
6 + 2 + 7 =
8 + 2 - 8 =
2 + 8 + 2 =
8 - 5 + 1 =
6 - 2 + 7 =
一年级数学20以内加减法口算练习（6）
11 - 6 =
9 + 2 =
13 - 4 =
14 - 5 =
5 + 9 =
13 - 4 =
6 + 6 =
2 + 9 =
12 - 3 =
3 + 14 =
8 + 7 =
14 - 8 =
9 + 4 =
17 -( )= 9
( )+ 9 = 13
18 -( )= 9
( )+ 5 = 12
11 -( )= 9
9 +( )= 18
9 + 4 - 8 =
7 + 3 + 8 =
12 - 3 + 5 =
5 + 3 + 4 =
15 - 4 - 9 =
19 - 7 + 4 =
5 + 8 =
7 + 12 =
8 + 9
=
11 - 2 =
13 - 5 =
9 + 2 =
13 - 6
=
6 + 8 =
16 - 8 =
6 + 9 =
17 - 8
=
3 + 15 =
7 + 7 =
( )+ 9 = 16
12
-( )= 6
( )- 8 = 7
( )+ 8 = 14
2 +(
)= 11
( )- 5 = 6
17 - 5 + 2 =
10 + 2
- 7 =
16 - 2 - 7 =
10 - 5 + 8 =
4 + 3
+ 7 =
13 - 7 + 3 =
15 - 6 =
9 + 5
=
5 + 14 =
8 + 8 =
6 + 7 =
12 - 5
=
7 + 9 =
16 - 7 =
4 + 8 =
14 - 6
=
9 + 3 =
11 - 4 =
14 - 7 =
( )-
7 = 4
14 -( )= 6
( )+ 9 = 12
6 +(
)= 15
( )- 4 = 9
16 -( )= 9
7 + 5 -
9 =
13 - 7 + 1 =
2 + 7 + 9 =
17 - 6 -
8 =
8 + 5 + 2 =
3 + 6 + 1 =
4 + 9
=
4 + 12 =
7 + 8 =
3 + 9 =
11 - 3
=
9 + 6 =
12 - 6 =
13 - 7 =
9 + 8
=
12 - 4 =
11 - 5 =
9 + 9 =
5 + 7
=
( )+ 9 = 14
8 +( )= 12
( )- 8 = 3
3 +( )= 11
( )- 7 = 8
( )+ 9 = 17
10 - 3 + 9 =
3 + 6 + 5 =
11 - 5 + 6 =
5 + 7 + 3 =
12 - 3 + 7 =
5 + 5 + 6 =
一年级数学20以内加减法口算练习（7）
19 - 2 =
18 - 9 =
7 + 9 =
7 + 8 =
15 - 9 =
6 + 7 =
2 + 9 =
13 - 8 =
8 + 8 =
5 + 7 =
14 - 9 =
4 + 7 =
11 - 2 =
( )+ 5 = 12
( )- 7 = 6
4 +( )= 13
( )- 8 = 3
18 -( )= 14
( )+ 8 = 12
8 + 5 - 3 =
17 - 6 - 6 =
6 + 5 - 2 =
16 - 5 - 3 =
10 + 2 + 6 =
15 - 4 + 6 =
8 + 7 =
19 - 3 =
3 + 8
=
17 - 8 =
8 + 6 =
4 + 9 =
16 - 7
=
8 + 9 =
12 - 9 =
11 - 7 =
19 - 4
=
5 + 9 =
14 - 8 =
18 -( )= 16
(
)- 3 = 9
7 +( )= 17
( )+ 8 = 11
(
)+ 13 = 15
12 -( )= 5
12 - 4 - 2 =
5
+ 7 + 5 =
11 - 2 + 3 =
9 + 4 - 4 =
18
- 7 + 4 =
16 + 2 - 9 =
17 - 9 =
5
+ 6 =
15 - 8 =
9 + 9 =
17 - 3 =
12
- 6 =
11 - 9 =
6 + 6 =
18 - 2 =
3
+ 9 =
7 + 6 =
11 - 8 =
8 + 5 =
(
)- 8 = 8
3 +( )= 12
( )- 2 = 14
(
)- 9 = 9
11 -( )= 3
6 +( )= 19
13 +
4 - 7 =
18 - 7 - 9 =
14 + 3 - 8 =
13 -
3 - 4 =
7 + 6 + 3 =
18 - 8 - 8 =
9 + 7 =
16 - 3 =
16 - 9 =
6 + 8 =
12 - 8 =
6 + 9 =
7 + 7 =
12 - 7 =
4 + 8 =
16 - 8 =
9 + 8 =
5 + 8 =
13 - 9 =
( )+ 9 = 14
11 -( )= 7
( )+ 10 = 19
16 -( )= 7
( )+ 9 = 11
8 +( )= 18
14 - 7 + 5 =
8 + 6 + 4 =
15 - 7 + 2 =
14 + 3 - 6 =
18 - 7 - 7 =
6 + 6 + 2 =
一年级数学20以内加减法口算练习（8）
8 + 5 = 12 - 6
= 8 + 8 =
14 - 5 = 4 + 8 = 2 + 9 =
17 - 8
= 7 + 6 = 11 - 4 =
6 + 5 = 18 - 9 = 8 + 7 =
12 - 3 = 11 - 6 = 13 - 5 =
4 + 7 = 6 + 6 =
16 - 7 =
16 - 8 = 15 - 7 = 13 - 4 =
3 + 8
= 11 - 5 = 6 + 7 =
17 - 9 = 12 - 8 = 9 + 9 =
6 + 8 = 5 + 7 = 15 - 6 =
13 - 6 = 11 - 8 =
14 - 7 =
8 + 4 = 14 - 6 = 7 + 8 =
11 - 7 =
7 + 7 = 16 - 9 =
( )+ 14 = 17 8 +( )= 13 (
)- 9 = 7
( )- 4 = 13 ( )+ 12 = 17 2 +( )=
11
4 +( )= 11 18 -( )= 12 ( )- 8 = 4
15
-( )= 8 ( )+ 9 = 12 19 -( )= 16
( )- 5 = 9
16 -( )= 9 6 +( )= 18
7 +( )= 19 ( )- 8 =
9 ( )+ 4 = 12
3 + 9 + 3 = 5 + 8 - 6 = 16 - 9
+ 1 =
12 - 2 - 7 = 11 - 9 + 5 = 2 + 9 + 4 =
11 + 3 - 5 = 12 + 2 - 3 = 18 - 9 - 7 =
18
- 2 - 3 = 18 - 9 - 8 = 4 + 9 + 5 =
12 - 9 + 3
= 6 + 8 - 8 = 17 - 8 - 4 =
4 + 9 + 4 = 16 - 8
- 6 = 9 + 8 - 4 =
一年级数学20以内加减法口算练习（
7 + 4 =
4 + 14 =
5 + 8 =
12 - 4 =
8 + 3 =
2 + 16 =
7 + 5 =
11 - 3 =
5 + 14 =
12 - 5 =
8 + 6 =
11 - 2 =
5 + 6 =
( )+ 9 =
13
16 -( )= 8
12 -( )= 7
( )+ 11 =
19
3 +( )= 11
( )- 4 = 8
3 + 8 - 9 =
17 - 9 + 2 =
5 + 9 + 2 =
14 - 3 - 9 =
4 + 9 - 7 =
14 - 9 + 4 =
9）
19 - 9 =
15 - 6 =
6 + 6 =
14 - 9 =
12 - 4 =
5 + 8 =
4 + 7 =
13 - 8 =
11 - 5 =
9 + 8 =
13 - 4 =
4 + 14 =
12 - 5 =
8 +( )= 18
18
-( )= 15
12 -( )= 4
( )+ 10 = 19
16
-( )= 14
2 +( )= 11
12 - 4 + 4 =
18
- 6 + 3 =
6 + 7 - 4 =
18 - 7 - 8 =
8 +
8 - 9 =
7 + 5 - 6 =
6
+ 7 =
12 - 7 =
17 - 8 =
8 + 8 =
5
+ 6 =
11 - 2 =
4 + 8 =
18 - 4 =
12
- 6 =
14 - 5 =
4 + 15 =
11 - 8 =
17 - 7 =
18 -( )= 9
3 +( )= 11
(
)- 3 = 14
13 -( )= 9
( )- 5 = 7
16
-( )= 8
13 + 2 - 4 =
7 + 5 - 8 =
19 -
2 - 4 =
4 + 3 + 6 =
12 - 3 + 6 =
9 + 3
+ 2 =
13 - 5 =
3 + 8 =
11 - 6 =
13 - 7 =
3 + 16 =
4 + 11 =
12 - 9
=
16 - 8 =
7 + 9 =
7 + 7 =
12 - 3
=
18 - 3 =
14 - 7 =
( )+ 9 = 14
(
)- 4 = 9
11 -( )= 9
( )+ 12 = 16
4
+( )= 13
( )- 6 = 9
6 + 6 - 3 =
19 -
4 - 7 =
13 + 5 - 5 =
18 - 7 - 3 =
10 +
4 + 4 =
11 - 2 + 2 =
11 - 9 =
14
- 8 =
6 + 7 =
4 + 10 =
11 - 4 =
7
+ 8 =
5 + 7 =
13 - 9 =
14 - 6 =
11
- 7 =
2 + 17 =
15 - 7 =
12 - 8 =
(
)+ 13 = 17
7 +( )= 19
( )-7 = 12
5
+( )= 18
15 -( )= 9
9 +( )= 13
15 -
3 + 5 =
8 + 3 + 5 =
18 - 6 + 1 =
6 + 7
+ 1 =
19 - 6 - 2 =
12 + 6 - 4 =
一年级数学20以内加减法口算练习（10）
6 + 5 =
9
+ 8 =
4 + 2 =
8 - 3 =
11 - 5 =
6 +
13 =
12 - 3 =
7 + 7 =
6 + 8 =
12 -
7 =
8 + 7 =
11 - 2 =
4 + 6 =
5 +(
)= 14
( )- 3 = 12
( )- 3 = 13
( )-
7 = 5
5 +( )= 12
( )- 7 = 5
6 + 2 +
5 =
13 - 2 - 2 =
12 + 3 - 7 =
10 - 4 +
2 =
8 + 4 - 5 =
12 - 5 + 2 =
11 - 6 =
14 - 5 =
12 - 4 =
11
- 8 =
5 + 5 =
17 - 9 =
4 + 8 =
3 +
13 =
13 - 4 =
17 - 2 =
19 - 5 =
5
+ 6 =
10 - 3 =
( )- 8 = 9
17 -( )=
15
2 +( )= 11
( )+ 9 = 18
13 -( )=
7
( )+ 12 = 18
15 - 4 - 8 =
10 + 2 +
2 =
14 - 2 - 6 =
5 + 3 - 3 =
9 - 5 + 3
=
6 + 2 - 6 =
8 + 8 =
17 - 8 =
5 + 7 =
18 - 9 =
6 + 7 =
12 - 6 =
11 - 3 =
7 - 3 =
3 + 6 =
2 + 8 =
16 - 9 =
12 - 5 =
4 + 7 =
16 -(
)= 9
( )+ 10 = 19
15 -( )= 9
2 +(
)= 15
( )- 9 = 3
7 +( )= 19
16 - 8 -
7 =
6 + 3 - 2 =
7 - 2 + 4 =
10 + 3 - 9
=
11 - 4 - 3 =
17 - 6 - 3 =
16 -
7 =
3 + 7 =
11 - 7 =
14 + 3 =
9 +
9 =
10 - 5 =
4 + 4 =
11 - 9 =
5 +
7 =
13 - 5 =
11 - 4 =
5 + 8 =
3 +
15 =
( )+ 9 = 13
( )- 8 = 3
8 +( )=
19
( )+ 8 = 11
( )+ 14 = 17
11 -(
)= 8
9 + 3 + 3 =
7 - 2 + 1 =
3 + 9 - 8
=
18 - 3 - 9 =
7 + 3 - 4 =
12 + 3 + 2
=
一年级数学20以内加减法口算练习（11）
5 + 9 =
16 - 8 =
8 + 5 =
15 - 7 =
9 + 2 =
16 - 7 =
6 + 7 =
17 - 9 =
5 + 7 =
15 - 6 =
8 + 9 =
12 - 6 =
9 + 3 =
15 -( )= 4
3 +( )= 14
( )- 2 = 17
( )+ 9 = 13
( )- 7 = 8
15 -( )= 13
12 + 3 - 4 =
15 - 6 - 4 =
10 + 5 - 2 =
6 + 4 - 1 =
13 - 4 + 1 =
7 + 4 + 3 =
12 - 8 =
7 + 8 =
2 + 9
=
13 - 6 =
6 + 8 =
4 + 9 =
8 + 3 =
13 - 8 =
12 - 9 =
7 + 7 =
9 + 4 =
11 - 8 =
6 + 6 =
( )- 9 = 4
( )+
10 = 18
2 +( )= 14
( )- 2 = 9
13 -(
)= 6
( )+ 7 = 11
5 + 7 - 4 =
14 - 6 -
1 =
16 - 4 - 6 =
7 + 4 - 6 =
15 - 4 -
5 =
8 + 7 - 3 =
2 + 9 =
12 - 5 =
14 - 3 =
12 - 7 =
8 + 7 =
13 - 7 =
7 + 9 =
5 + 6 =
8 + 4 =
11 - 5 =
3 + 8 =
17 - 8 =
9 + 8 =
4 +( )=
13
( )- 6 = 9
( )- 6 = 8
4 +( )= 17
( )+ 8 = 12
16 -( )= 13
15 - 4 - 5 =
10 - 6 - 3 =
7 + 3 + 4 =
16 - 4 + 3 =
8 + 4 + 1 =
16 - 4 - 2 =
7 + 9 =
6 + 9 =
7 + 6 =
15 - 8 =
9 + 9 =
4 + 8 =
14 - 7 =
8 + 6 =
11 - 6 =
9 + 7 =
14 - 6 =
5 + 8 =
11 - 9 =
17 -( )= 9
9 +( )= 19
( )+ 9 = 11
16 -( )= 7
( )+ 14 = 16
3 +( )= 19
13 + 4 + 2 =
18 - 4 + 2 =
11 + 4 - 9 =
7 + 4 - 7 =
9 + 7 - 5 =
17 - 3 - 8 =
一年级数学20以内加减法口算练习（12）
2 + 9 =
18 - 9 =
4 + 14 =
12 - 4 =
8 + 9 =
6 + 7 =
12 - 7 =
13 - 9 =
6 + 12 =
5 + 8 =
15 - 7 =
17 - 4 =
9 + 9 =
11 -( )= 2
( )+ 8 = 11
13 -( )= 5
( )+ 14 = 18
18 -( )= 16
9 +( )= 18
5 + 5 - 2 =
16 - 8 - 5 =
4 + 7 - 9 =
12 - 5 - 6 =
13 - 7 - 6 =
4 + 5 + 9 =
7 + 7 =
11 - 5 =
3 + 9
=
14 - 2 =
5 + 6 =
16 - 9 =
8 + 8
=
7 + 9 =
14 - 6 =
15 - 3 =
2 + 17
=
10 - 7 =
14 - 9 =
( )+ 10 = 19
2 +( )= 15
9 -( )= 2
( )- 2 = 17
2 +( )= 11
( )- 8 = 8
18 - 9 - 4 =
7 + 6 - 3 =
17 - 5 - 8 =
15 - 5 - 9 =
8 + 7 - 8 =
14 - 6 + 9 =
18 - 3 =
8 + 7 =
11 - 9 =
4 + 8 =
12 - 9 =
4 + 9 =
14 - 7 =
6 + 13 =
15 - 9 =
7 + 8 =
11 - 3 =
6 + 9 =
12 - 6 =
12 -( )= 8
( )- 9 = 5
3 +( )= 12
11 -( )= 5
( )+ 15 = 17
12 -( )= 5
14 - 6 - 3 =
16 - 3 - 8 =
8 + 8 - 4 =
13 - 9 - 2 =
16 - 7 + 8 =
4 + 8 - 7 =
3 + 8 =
17 - 9 =
4 + 7 =
13 -
5 =
6 + 6 =
11 - 7 =
5 + 7 =
16 -
8 =
5 + 9 =
18 - 4 =
3 + 13 =
13 -
7 =
6 + 8 =
( )+ 9 = 13
2 +( )= 19
( )- 9 = 8
8 +( )= 18
( )- 6 = 9
5 +( )= 14
7 + 7 - 6 =
13 - 6 + 8 =
15 - 6 - 2 =
9 + 5 - 5 =
3 + 6 + 8 =
17 - 3 - 9 =
一年级数学20以内加减法口算练习（13）
8 + 5 =
3
+ 14 =
13 - 4 =
15 - 6 =
6 + 9 =
11 - 4 =
19 - 5 =
13 - 6 =
6 + 6 =
7 + 9 =
3 + 13 =
15 - 7 =
7 + 7 =
18 -( )= 15
3 +( )= 11
9 -( )= 4
18 -( )= 12
( )- 7 = 5
9 +( )= 19
7 + 3 - 2 =
13 - 5 - 4 =
6 + 6 - 9 =
14 - 5 - 5 =
19 - 5 - 9 =
4 + 4 - 8 =
19 - 7 =
12 - 4 =
3 + 9
=
17 - 8 =
16 - 2 =
7 + 5 =
15 - 2
=
9 + 9 =
14 - 6 =
18 - 4 =
14 - 7
=
8 + 7 =
12 - 6 =
8 +( )= 19
13
-( )= 4
2 +( )= 15
( )+ 9 = 12
3 +(
)= 18
11 -( )= 6
17 - 8 - 3 =
4 + 8 -
3 =
15 - 6 - 6 =
18 - 6 - 9 =
8 + 8 -
7 =
11 - 6 + 9 =
5 + 7 =
18 - 9 =
11 - 5 =
9 + 4 =
16 - 8 =
15 - 3 =
8 + 6 =
12 - 3 =
6 + 7 =
19 - 3 =
8 + 4 =
11 - 2 =
8 + 9 =
14 -( )=
5
( )+ 9 = 14
4 +( )= 13
( )- 2 = 9
12 -( )= 9
( )+ 9 = 11
5 + 7 - 5 =
17 - 6 - 7 =
14 - 5 + 9 =
8 + 6 - 6 =
13 - 4 - 8 =
4 + 4 + 8 =
9 + 2 =
17 - 4 =
8 + 8 =
12 - 5 =
17 - 3 =
5 + 9 =
13 - 5 =
16 - 7 =
8 + 3 =
7 + 4 =
14 - 5 =
6 + 5 =
11 - 3 =
4 +( )= 11
( )- 7 = 9
18 -( )= 9
( )+ 12 = 19
7 +( )= 19
16 -( )= 7
15 - 7 + 8 =
18 - 7 - 2 =
6 + 9 - 4 =
12 - 8 - 2 =
19 - 5 - 8 =
3 + 7 + 9 =
一年级数学20以内加减法口算练习（14）
4 + 14 =
11 - 5 =
9 + 6 =
8 + 7 =
14 - 7 =
5 + 12 =
7 + 5 =
11 - 6 =
9 + 9 =
13 - 4 =
6 + 6 =
11 - 9 =
6 + 7 =
14 -( )= 6
( )+ 7 = 14
12 -( )= 6
( )+ 5 = 11
11 -( )= 7
5 +( )= 12
4 + 7 - 2 =
17 - 4 - 9 =
13 - 8 + 9 =
9 + 4 - 8 =
11 - 5 + 9 =
2 + 8 + 9 =
9 + 2 =
7 + 7 =
14 - 6
=
6 + 5 =
18 - 9 =
9 + 8 =
16 - 7
=
7 + 4 =
13 - 6 =
11 - 3 =
9 + 5
=
12 - 4 =
12 - 3 =
2 +( )= 11
(
)- 5 = 7
( )- 7 = 4
( )- 8 = 9
13 -(
)= 9
( )+ 8 = 13
13 - 4 + 8 =
19 - 7
- 8 =
8 + 6 - 5 =
19 - 6 - 9 =
16 - 8
- 7 =
8 + 2 - 9 =
11 - 7 =
14 - 5
=
8 + 8 =
17 - 8 =
9 + 4 =
19 - 2
=
4 + 13 =
11 - 8 =
8 + 4 =
12 - 6
=
15 - 6 =
8 + 5 =
11 - 2 =
( )+
9 = 16
18 -( )= 9
4 +( )= 10
( )- 6
= 9
9 +( )= 17
( )- 9 = 3
11 - 6 - 2
=
8 + 5 - 4 =
14 - 6 - 8 =
9 + 7 - 6 =
17 - 8 - 5 =
13 - 4 - 6 =
3 + 16
=
8 + 3 =
16 - 8 =
7 + 6 =
11 - 4
=
17 - 9 =
9 + 3 =
13 - 5 =
15 - 7
=
8 + 6 =
6 + 13 =
12 - 5 =
9 + 7
=
( )- 8 = 8
( )+ 8 = 11
17 -( )= 8
8 +( )= 15
( )- 8 = 5
15 -( )= 8
9 + 5 - 3 =
12 - 4 - 2 =
6 + 3 + 8 =
15 - 8 - 3 =
7 + 7 - 7 =
14 - 5 - 4 =
一年级数学20以内加减法口算练习（15）
9 + 9 =
12 - 6 =
7 + 7 =
18 - 6 =
3 + 8 =
16 - 9 =
5 + 8 =
14 - 4 =
6 + 6 =
14 - 8 =
15 - 3 =
3 + 9 =
13 - 8 =
15 -( )= 9
( )+ 8 = 15
( )- 4 = 6
13 -( )= 6
( )+ 4 = 12
9 +( )= 11
9 + 4 - 2 =
12 - 7 - 2 =
13 - 5 + 9 =
7 + 4 + 8 =
18 - 3 - 9 =
4 + 6 - 8 =
15 - 9 =
4 + 14 =
13 -
9 =
7 + 9 =
11 - 7 =
17 - 2 =
4 +
7 =
18 - 9 =
14 - 7 =
4 + 9 =
15 -
8 =
11 - 6 =
3 + 15 =
( )- 8 = 3
14 -( )= 7
( )- 8 = 2
( )+ 9 = 14
19 -( )= 12
( )- 5 = 8
13 - 6 - 2 =
5 + 6 - 3 =
17 - 8 - 8 =
14 - 7 + 9 =
8 + 3 - 7 =
18 - 9 - 9 =
12 - 7 =
8 + 9 =
6 + 13 =
2 + 17 =
7 + 8 =
11 - 8 =
14 + 3 =
5 + 9 =
5 + 6 =
13 - 7 =
11 - 9 =
8 + 8 =
14 - 9 =
4 +( )= 15
( )+ 6 = 14
11 -( )= 4
( )- 9 = 8
( )- 7 = 5
9 +( )= 18
7 + 3 - 4 =
15 - 7 - 7 =
6 + 6 - 6 =
18 - 9 - 8 =
14 - 7 - 6 =
5 + 4 + 9 =
6 + 7 =
19 - 8 =
4 + 8 =
12 -
9 =
4 + 12 =
6 + 9 =
5 + 7 =
2 +
16 =
17 - 9 =
6 + 8 =
16 - 8 =
12
- 8 =
2 + 9 =
( )+ 6 = 13
( )- 9 = 5
8 +( )= 17
( )+ 7 = 16
12 -( )= 8
( )- 8 = 7
18 - 9 + 8 =
8 + 4 - 5 =
16 - 7 - 3 =
9 + 5 - 9 =
11 - 6 - 4 =
18 - 9 - 5 =
一年级数学20以内加减法口算练习（16）
6 + 7 =
4+
9 =
14 - 5 =
8 + 7 =
15 - 6 =
5 +
6 =
9 + 8 =
13- 9 =
4 + 9 =
11 - 4
=
8 + 6 =
12 - 7 =
9 + 4 =
( )+ 8
= 16
( )- 5 = 6
4 +( )= 12
( )- 8 =
6
17 -( )= 14
12 -( )= 9
5 + 8 - 2 =
13 - 3 - 8 =
8 + 3 + 8 =
16 - 5 - 8 =
5 + 3 + 9 =
15 - 4 - 9 =
3 + 8 =
17 - 9 =
5 + 9 =
13 - 4 =
9 + 3 =
17 - 4 =
6 + 7 =
16 - 8 =
5 + 8 =
9 + 2 =
8 + 8 =
14 - 7 =
7 + 8 =
17 -( )= 9
( )+ 7 = 11
13 -( )= 8
11 -( )= 5
5 +( )= 14
( )- 9 = 2
14 - 5 - 2 =
8 + 4 - 3 =
16 - 2 - 9 =
15 - 6 + 7 =
12 - 4 + 9 =
7 + 5 - 6 =
7 + 9 =
16 - 3 =
17 - 8 =
4 + 8 =
17 - 3 =
9 + 7 =
14 - 6 =
9 + 9 =
11 - 9 =
7 + 7 =
16 - 7 =
9 + 5 =
11 - 3 =
( )- 5
= 5
7 +( )= 15
( )- 6 = 6
15 -( )=
6
( )- 9 = 4
6 +( )= 13
12 - 9 - 2 =
16 - 8 - 3 =
6 + 5 - 4 =
13 - 6 - 7 =
3 + 8 - 7 =
16 - 7 + 9 =
12 - 6 =
6 + 8 =
13 - 8 =
8 + 9 =
15- 8 =
6 + 6 =
3 + 9 =
15 - 7 =
13 - 6 =
9 + 6 =
12 - 4 =
4 + 7 =
6 + 9 =
( )+ 8 = 14
16 -( )= 7
( )- 8 = 4
3 +( )= 11
( )+ 9 = 18
( )- 7 = 8
7 + 6 - 8 =
11 - 4 - 4 =
17 - 9 - 5 =
7 + 7 - 5 =
15 - 9 - 6 =
9 + 4 - 6 =
一年级数学20以内加减法口算练习（17）
12 - 3 =
4 + 14 =
8 + 8 =
18 - 4 =
3 + 8 =
14 - 7 =
5 + 8 =
16 - 8 =
13 - 5 =
4 + 7 =
7 + 9 =
11 - 3 =
12 - 6 =
9 +( )= 14
( )- 4 = 10
13 -( )= 7
( )- 9 = 7
7 +( )= 16
( )+ 3 = 11
9 + 6 - 2 =
13 - 5 - 6 =
18 - 9 - 7 =
7 + 3 + 9 =
17 - 7 - 8 =
6 + 5 - 7 =
8 + 9 =
15 - 6 =
18 - 3
=
4 + 9 =
11 - 5 =
6 + 12 =
14 + 5
=
5 + 7 =
3 + 9 =
19 - 6 =
13 - 6
=
14 - 5 =
6 + 7 =
18 -( )= 13
15
-( )= 7
( )+ 9 = 15
( )- 6 = 8
8 +(
)= 14
14 -( )= 5
15 - 7 - 5 =
11 - 3
- 8 =
3 + 8 - 4 =
14 - 3 - 9 =
12 - 5
- 4 =
16 - 7 - 9 =
18 - 9 =
2 +
12 =
6 + 6 =
15 - 7 =
14 - 6 =
2 +
9 =
7 + 12 =
11 - 4 =
7 + 7 =
17 -
5 =
2 + 16 =
9 + 9 =
11 - 2 =
(
)- 4 = 7
17 -( )= 12
14 -( )= 8
(
)- 7 = 9
12 -( )= 5
( )+ 8 = 17
7 +
3 - 5 =
17 - 9 + 9 =
8 + 9 - 9 =
16 -
9 - 3 =
15 - 6 + 9 =
5 + 8 - 6 =
12 - 4 =
6 + 9 =
17 - 4 =
7 + 8 =
5 + 6 =
16 - 7 =
18 - 5 =
6 + 8 =
13 - 4 =
4 + 8 =
17 - 8 =
12 - 5 =
5 + 9 =
8 +( )= 12
( )+ 9 = 13
10 -( )= 4
( )- 7 = 6
4 +( )= 11
( )+ 2 = 11
14 - 7 - 2 =
6 + 4 - 3 =
13 - 9 + 7 =
9 + 9 - 8 =
17 - 6 - 2 =
2 + 9 + 8 =
一年级数学20以内加减法口算练习（18）
8 + 6 =
15
- 8 =
9 + 8 =
5 + 6 =
18 - 9 =
9 +
3 =
13 - 8 =
8 + 4 =
14 - 7 =
7 +
5 =
6 + 9 =
12 - 8 =
7 + 8 =
( )-
8 = 3
( )+ 7 = 14
12 -( )= 6
( )+ 7
= 15
( )- 5 = 9
( )+ 8 = 16
14 - 6 -
5 =
7 + 4 - 8 =
11 - 4 - 6 =
8 + 9 - 5
=
12 - 5 - 7 =
3 + 8 + 8 =
5 + 8 =
14 - 5 =
16 - 8 =
8 + 9 =
11 - 7 =
15 - 9 =
6 + 8 =
15 - 7 =
9 + 5 =
16 - 7 =
17 - 9 =
7 + 7 =
14 - 9 =
9 +( )= 16
( )- 8 = 4
11 -( )= 7
( )- 8 = 7
( )+ 5 = 14
15 -( )= 13
8 + 4 - 3 =
15 - 6 - 8 =
5 + 5 + 9 =
17 - 5 - 3 =
14 - 5 - 9 =
2 + 9 - 7 =
12 - 9 =
9 + 4 =
6 + 6 =
11 - 6 =
8 + 8 =
12 - 7 =
9 + 9 =
11 - 9 =
8 + 7 =
16 - 9 =
8 + 5 =
13 - 7 =
9 + 2 =
14 -( )=
8
( )- 5 = 8
( )+ 8 = 17
12 -( )= 5
( )+ 15 = 18
4 +( )= 13
15 - 8 - 4 =
18 - 6 - 8 =
3 + 9 - 2 =
17 - 5 - 9 =
16 - 9 + 9 =
17 - 8 + 9 =
7 + 9 =
17 - 8 =
7 + 6 =
12 - 6 =
9 + 6 =
7 + 4 =
14 - 8 =
8 + 3 =
13 - 9 =
5 + 9 =
11 - 8 =
9 + 7 =
6 + 5 =
19 -( )= 12
6 +( )= 14
( )+ 2 = 11
( )- 2 = 15
7 +( )= 13
( )- 3 = 8
6 + 8 - 4 =
13 - 6 + 7 =
16 - 8 - 2 =
7 + 7 - 9 =
13 - 5 - 2 =
5 + 5 - 6 =
一年级数学20以内加减法口算练习（19）
11 - 9 =
5 + 8 =
15 - 6 =
3 + 8 =
2 + 9 =
14 - 7 =
13 - 8 =
8 + 9 =
5 + 6 =
16 - 9 =
4 + 7 =
3 + 9 =
17 - 8 =
7 +( )= 15
18 -( )= 11
( )- 7 = 8
16 -( )= 13
6 +( )= 15
( )- 8 = 6
17 - 3 - 8 =
9 + 3 - 4 =
19 - 8 - 9 =
17 - 9 - 2 =
15 - 5 + 3=
6 + 7 - 2 =
4 + 8 =
13 - 6 =
7 + 9
=
12 - 9 =
16 - 7 =
7 + 5 =
14 - 6
=
7 + 6 =
15 - 8 =
5 + 9 =
8 + 7 =
14 - 9 =
7 + 7 =
( )- 4 = 9
( )+
5 = 13
16 -( )= 8
( )- 5 = 6
( )- 9
= 3
( )+ 8 = 14
5 + 6 - 9 =
15 - 8 -
7 =
4 + 9 - 5 =
18 - 7 - 8 =
15 - 8 +
9 =
8 + 5 - 7 =
15 - 7 =
6 + 6 =
11 - 7 =
6 + 9 =
9 + 8 =
14 - 8 =
9 + 7 =
13 - 9 =
8 + 8 =
12 - 8 =
14 - 5 =
12 - 6 =
13 - 7 =
19 -(
)= 14
( )+ 13 = 16
( )+ 8 = 12
11 -(
)= 9
( )- 8 = 8
( )- 6 = 9
11 - 4 -
2 =
5 + 6 + 8 =
14 - 8 - 6 =
8 + 9 - 2
=
16 - 4 - 5 =
16 - 8 + 9 =
9 + 9
=
17 - 9 =
6 + 7 =
11 - 8 =
8 + 5
=
15 - 9 =
6 + 8 =
5 + 7 =
12 - 7
=
7 + 8 =
16 - 8 =
4 + 9 =
18 - 9
=
( )+ 9 = 12
6 +( )= 18
( )- 8 = 7
3 +( )= 11
9 +( )= 13
8 +( )= 17
6 + 6 - 3 =
16 - 8 + 7 =
4 + 4 + 9 =
12 - 4 - 3 =
13 - 8 - 4 =
7 + 4 - 6 =
一年级数学20以内加减法口算练习（20）
18 - 9 =
7 + 5 =
13 - 8 =
9 + 6 =
11 - 7 =
5 + 7 =
12 - 9 =
6 + 5 =
3 + 8 =
14 - 7 =
12 - 8 =
5 + 9 =
15 - 9 =
( )+ 9 = 18
2 +( )= 15
( )- 3 = 12
( )+ 7 = 12
15 -( )= 6
( )+ 8 = 13
5 + 6 - 8 =
12 - 6 - 3 =
8 + 7 - 4 =
16 - 4 - 8 =
9 + 7 - 5 =
13 - 2 - 7 =
6 + 5 =
15 - 6 =
4 + 7
=
17 - 9 =
6 + 6 =
8 + 9 =
15 - 8
=
6 + 8 =
14 - 9 =
9 + 7 =
7 + 7 =
14 - 6 =
16 - 7 =
( )- 3 = 14
6
+( )= 13
( )- 8 = 9
8 +( )= 11
(
)- 9 = 4
( )- 6 = 12
15 - 7 - 2 =
9 +
3 - 3 =
13 - 6 - 5 =
14 - 9 + 9 =
15 -
4 - 9 =
6 - 3 + 7 =
13 - 7 =
2 +
9 =
8 + 8 =
11 - 2 =
14 - 8 =
6 +
7 =
3 + 9 =
13 - 6 =
15 - 7 =
6 +
9 =
17 - 8 =
8 + 7 =
4 + 9 =
( )-
6 = 7
( )- 7 = 7
5 +( )= 12
( )- 6
= 5
7 +( )= 15
( )- 4 = 8
18 - 9 - 2
=
12 - 3 - 4 =
12 - 7 + 9 =
7 + 6 - 2
=
16 - 2 - 8 =
7 + 5 - 6 =
4 + 8
=
16 - 9 =
11 - 8 =
5 + 8 =
7 + 9
=
13 - 9 =
8 + 6 =
11 - 9 =
9 + 9
=
12 - 7 =
9 + 8 =
16 - 8 =
7 + 6
=
9 +( )= 18
( )- 9 = 8
( )+ 4 = 13
12 -( )= 9
17 -( )= 8
( )+ 6 = 12
8 + 6 - 4 =
18 - 9 + 7 =
8 + 5 - 9 =
17 - 9 - 6 =
6 + 9 - 6 =
13 + 3 - 8 =
一年级数学20以内加减法口算练习（21）
9+4=
7+9=
5+7=
6+9=
7+7=
3+9=
4+7=
3+8=
9+7=
5+7=
6+6=
9+2=
9+2=
9+5=
5+8=
8+8=
19－（ ）=8
17－( )=6
（ ）+5=14
15 -( )= 11
7-4+8=
5+5-4=
0+9+5=
7+10=
18 - 5 - 6=
9+4=
6+5=
8+7=
7+6=
4+9=
8+8=
6+7=
4+2=
7+5=
9+8=
3+8=
8+7=
8+6=
4+9=
8+8=
15-3=
12－（ ）=3
11+（ ）=15
13－（ ）=6
8 +( )= 14
6+4+6=
3+5+5=
10+8=
17+1=
14 - 5 - 4 =
8+7=
9+6=
7+9=
6+6=
7+5=
5+6=
6-3=
9+0=
7+9=
6+8=
4+8=
3+8=
6+9=
5+6=
3+9=
3+1=
6+( )=13
（ ）+4=18
（ ）+3=8
( )- 8 = 4
9+5+0=
8+0+4=
7+3-5=
6+8=
16 -
9 + 5 =
8+5=
6+5=
7+8=
9+7=
2+9=
5+8=
9+9=
13-3=
6+4=
7+4=
6+9=
6+6=
7+6=
8+9=
7+6=
9+9=
8+( )=15
15－（
）=5
6＋（ ）＝18
( )+ 9 = 17
7+8-10=
7+7-4=
0+9=
6-0+5=
13 - 5 - 7 =
一年级数学20以内加减法口算练习（22）
7+4=
5+8=
13+4=
7+11=
8+2=
17-3=
16 + 2 =
7+12=
17-5=
16 - 7 = 18-3= 19-6=
11 - 4
=
8 + 5 =
6 + 4 =
13 - 7 =
14 - 5
=
6 + 13 =
5 + 9 =
15 - 7 =
9 + 2
=
6 + 7 =
17 - 9 =
5 + 7 =
15 - 3
=
18 -( )= 7
( )+ 5 = 11
15 -( )= 6
( )+ 9 = 16
14 -( )= 8
18 - 2 - 8 =
6 + 7 + 5 =
9 + 3 - 6 =
12 + 2 + 3 =
14 - 2 =
15 + 2 =
16 - 9 =
8 + 8 =
7 + 9 =
14 - 6 =
12 - 2 =
13 - 6 =
6 + 8 =
12 + 3 =
19 - 8 =
12 - 9 =
7 + 9 =
( )+ 6 = 15
16 -( )= 9
(
)- 8 = 9
9 +( )= 16
( )- 8 = 6
17 -
7 + 9 =
8 - 2 + 6 =
10 - 2 - 4 =
16 -
2 + 3=
4 + 8 =
12 - 9 =
4 + 9 =
14
- 7 =
6 + 13 =
15 - 9 =
17 - 6 =
12 - 7 =
8 + 7 =
7 + 9 =
5 + 6 =
8 + 4 =
11 - 8 =
13 -( )= 7
2 +(
)= 11
13 -( )= 8
( )- 6 = 9
( )+ 5
= 14
11 - 2 + 5 =
8 - 6 + 12 =
18 - 7
+ 8 =
2 + 6 + 8 =
13 - 5 =
6 + 8 =
12 - 7 =
5 + 7 =
16 - 8 =
5 + 11 =
18 - 4 =
15 - 6 =
9 + 8 =
14 - 7 =
8 + 6 =
11 - 6 =
9 + 7 =
( )- 9 =
3
6 +( )= 14
( )+ 5 = 13
16 -( )= 9
( )+ 9 = 15
2 + 13 + 3 =
16 + 2 - 7 =
8 + 2 - 8 =
7 + 8 + 2 =