二年级万以内加减法专项练习400题
-
二年级万以内加减法专项练习
400
题
3
5
0
0
+
5
< br>0
0
=
4
5
0
0
-
8
0
0
=
4
1
0
+
9
0
=
<
/p>
6
0
0
0
+
4
0
=
<
/p>
5
8
0
-4
0
=
7<
/p>
8
0
+
6
0
=
3
0
0<
/p>
0
+
7
0
0
0
=
5
8
0
-4
0
=
7
8
0
+
6
0
=
2
3
0
0
+
6
7
0
=
1
8
2
0
< br>+
3
0
5
0
=
8
0
7
0
-
3
1
0
0
=
5
7
3
0
-
6
8
0
< br>=
1
0
0
0
0
-
2
8
0
3
9
0
0
+
2
0
5
0
=
4
5
0
-1
9
0
=
2
8
0
0
+
3
0
0
=
2
1
6
0
< br>-
3
8
0
=
9
0
0
0
-
5
0
0
0
=
3
7
0
+
5
8
0
< br>0
=
2
5
0
-8
0
=
4
7
8
0
+
2
5
0
=
1
4
< br>0
0
-
9
0
0
=
1
3
0
0
-
8
0
0
=
2
6
0
-9
0
=
<
/p>
6
0
+
2
3
0
0
=
<
/p>
9
0
0
0
-
8
0
0
=
<
/p>
8
2
0
-7
0
=
<
/p>
1
7
0
0
+
3
0
0
=
6
8
0
-4
0
0
=
7<
/p>
4
5
-2
0
6
=
4
8
9
-1
2
7
=
5
7
0
-4
8
0
=
8
4
0
+
4
0
0
=
7<
/p>
0
0
-8
0
=
2
8
4
+
3
1
4
=
8<
/p>
4
0
-4
8
0
=
9
4
0
+
4
5
2
0
=
<
/p>
6
7
0
-4
2
0
=
9<
/p>
0
+
4
6
0
0
=
1
5
7
8
-
5
8
9
=
<
/p>
3
6
5
7
+
2
5
6
9
=
1
9
7
6
+
4
8
5
7
=
<
/p>
5
8
3
+
6
7
5
8
=
2
1
3
0
+
4
2
5
=
1
8
6
7
+
2
3
9
6
=
8
2
4
1
-
1
9
8
9
=
4
1
0
2
-
2
5
4
6
=
9
1
3
4
< br>-
4
8
7
5
=
2<
/p>
3
11
-9
8<
/p>
9
=
4
8
9
9
-
2
3
6
5
=
1
9
7
6
+
4
8
5
7
=
5
8
3
+
6
7
5
8
=
2
1
3
0
+
4
2
5
=
1
8
6
7
+
2
3
9
6
=
4
1
0
2
-
2
5
4
6
=
1
4
9
0
+
7
0
3
=
<
/p>
4
5
0
+
4
9
0
=
3
6
0
-2
7
0
=
4
0
0
0
+
3
0
0
=
9
8
2
6
-
7
0
0
=
3
2
2
9
-
2
1
2
=
7
8
6
7
-
3
9
8
0
7
8<
/p>
6
+
1
6
2
8
=
7
2
5
0
+
8
9
0
=
7<
/p>
0
0
0
-
2
0
0
=
<
/p>
4
5
0
0
-
8
0
=
6<
/p>
5
0
8
-
1
2
0
0
=
5
6
0
+
2
9
0
0
=
4
3
7
5
+
3
2
6
8
=
3
5
0
0
+
5
0
0
=
4
5
0
0
-
4
0
0
=
4<
/p>
1
0
-9
0
=
8
0
+
5
4
0
=
6
0
0
-4
0
0
=
3<
/p>
0
0
0
+
7
0
0
0
=
3
2
0
+
3
2
0
0
=
6
8
2
7
-
2
8
6
=
6
7
2
1
+
6
7
2
=
3
2
1
9
+
2
0
0
=
4
5
3
0
+
2
6
0
=
8<
/p>
7
0
0
+
1
2
0
0
=
7
8
0
+
1
2
0
=
3
0<
/p>
0
+
7
0
0
=
1
2
0
0
+
7
5
0
=
4
3
0
0
+
2
0
7
0
=
7
2
0
3
+
3
8
5
=
2
3
8
0
+
1
5
0
=
<
/p>
3
7
2
0
+
1
2
6
0
=
5<
/p>
0
0
0
+
5
0
=
7
0
0
2
+
1
3
0
=
8
5
1
0
+
5
3
0
=
3
9
0
0
+
2
0
5
0
=
3
2
6
4
-
1
5
7
8
=
4
2
0
0
+
8
0
0
=
<
/p>
4
7
5
6
+
2
8
6
7
=
7
5
0
0
-
< br>6
0
0
=
8
6
5
6
-
2
5
6
=
1
4
0
0
+
3
7
2
4
=
5
2
6
+
1
7
8
4
=
6
3
2
7
< br>-
3
4
2
0
=
<
/p>
3
7
2
0
+
1
2
6
0
=
7
0
0
0
-
2
0
0
=
5<
/p>
0
0
0
+
5
0
=
<
/p>
4
5
0
0
-
8
0
=
7
0
0
2
+
1
3
0
=
6
5
0
8
-
1
2
0
0
8
5<
/p>
1
0
+
5
3
0
=
8
0
7
0
-
3
1
0
0
=
7<
/p>
2
5
0
+
8
9
0
=
5
7
3
0
-
6
8
0
=
<
/p>
1
0
0
0
0
-2
8
0
=
6
4<
/p>
2
5
-
2
6
1
7
=
9
8
3
4
-
3
2
5
=
8
5
0
0
-
5
0
0
=
7<
/p>
3
4
1
-
2
5
9
6
=
5
6<
/p>
2
0
+
3
8
2
9
=
9
9
9
0
-
4
3
9
1
=
7
5
1
+
6
4
2
4
=
<
/p>
8
2
1
3
-
4
3
9
6
=
5
7
9
-3
6
< br>7
=
6
8<
/p>
9
1
+
2
1
0
9
=
8
9
9
+
7
6
6
9
=
1
0<
/p>
0
0
0
-4
5
8
=
2
4
7
+
5
9
1
=
< br>
<
/p>
6
0
0
-2
4
0
=
<
/p>
3
7
6
+
5
1
9
=
<
/p>
9
8
0
-6
5
0
=
8
0
8
-4
3
6
=
<
/p>
4
8
3
+
1
2
5
=
7
2
8
-4
6
3
=
5
3
7
1
+
3
4
2
7
=
1
0
0
0
0
-3
7
2
< br>6
=
9
0
0
2
-
5
2
7
3
=
<
/p>
5
6
3
6
+
1
9
2
8
=
4<
/p>
3
6
7
+
2
6
2
7
=
3
0
0
0
-
1
9
6
=
1
0
0
0
0
-3
7
5
6
=
2
7
6
9
+
2
7
5
6
=
4
9
3
6
+
2
1
7
3
=
6<
/p>
3
0
2
-
2
1
2
3
=
3
8<
/p>
1
0
-
2
9
8
3
=
7
0
8
5
-
3
6
9
8
=
4
1
0
0
-
2
5
1
9
=
3
6
0
6
< br>-
1
8
9
1
=
9<
/p>
8
6
3
-
5
9
3
6
=
<
/p>
2
5
8
8
+
3
6
7
3
=
5<
/p>
6
9
2
+
3
1
2
9
=
1
0
8
9
+
3
9
2
6
=
3
5
2
8
+
4
6
7
2
=
5
6
7
9
+
3
5
8
3
=
1
0
0
0
0
-3
7
6
5
=
3
6
8<
/p>
5
+
6
4
6
4
=
<
/p>
3
7
8
+
4
8
5
6
=
1
0
0
0
-
4
7
8
=
5<
/p>
8
6
4
+
4
6
5
6
=
4
7
9
3
+
4
2
9
7
=
8
2
3
+
1
5
3
0
=
7
3
6
5
-
3
2
8
4
=
1
3
6
2
+
4
5
7
6
=
9
1
3
4
-
4
8
7
5
=
2
3
11<
/p>
-9
8
9
=
<
/p>
4
8
9
9
-
2
3
6
5
=
4<
/p>
6
0
+
3
0
0
=
5
8
9
7
-
4
6
9
8
=
6<
/p>
4
2
7
+
3
5
6
8
=
9
4
2
7
-
1
5
4
8
=
9<
/p>
8
5
-4
6
8
=
4
5
8
6
+
5
9
8
=
< br>
1<
/p>
8
9
+
3
9
4
=
<
/p>
4
3
5
-2
6
7
=
1<
/p>
9
2
+
5
8
=
4
3
2
-1
5
3
=
5<
/p>
9
2
+
1
0
9
=
6
4
6
+
3
5
4
=
5
4
2
-1
6
9
=
6
1
5
-4
5
7
=
<
/p>
2
6
5
+
4
5
=
3
5
0
-1
7
8
=
3<
/p>
4
2
8
+
2
8
9
5
=
1
0
0
0
0
-4
< br>7
6
8
=
8
3
4
1
-
5
6
8
9
=
4
2
8
9
+
2
7
6
5
=
2
6
5
7
+
3
7
8
8
=
8
5<
/p>
8
+
5
8
7
=
9
4
+
4
5
2
=
6
7
0
+
1
3
4
9
=
<
/p>
9
6
7
+
4
7
0
=
7
9
+
2
0
9
7
=
<
/p>
2
0
11
-1<
/p>
3
2
1
=
4
0
4
1
-
3
9
8
7
=
7
9<
/p>
8
9
-
6
9
8
7
=
2
0
9
1
+
4
7
8
9
=
<
/p>
3
9
8
1
-
9
9
4
=
2
4
0
1
+
2
0
1
9
=
<
/p>
4
2
11
+
2
3
9
=
5
7
0<
/p>
0
+
8
1
2
=
<
/p>
1
8
7
3
-
4
9
6
=
2
3
8
5
+
1
5
3
5
=
3
6
3
4
-
1
2
5
7
=
3
8
5
2
+
7
6
7
=
<
/p>
3
8
1
4
-
2
5
9
4
=
4
3
5
6
+
3
4
5
9
=
<
/p>
6
8
1
7
-
7
4
8
=
6
4
8
7
+
2
5
7
=
3
5
1
4
-
1
2
7
5
=
3
4
9
3
+
2
0
7
3
=
7
3
0
8
-
9
1
8
=
3
4
5
8
< br>+
4
5
3
9
=
1
0
0
0
0
-8
1
4
3
=
5
3
1
4
+
3
4
5
=
5<
/p>
0
0
0
+
2
0
0
0
=
1
3
0
0
+
4
3
0
0
=
1
0
0
0
0
-5
3
4
0
=
3
5
0
0
-
1
2
0
0
=
4
5
8
0
-
3
2
4
0
=