100道20以内的减法练习题
儿童诗大全-
100
道
20
以内的减
法练习题
1
)
1
9
-
7
=
2
)
1
8
-
7
=
3
)
9
-
4
=
4
)
1
3
-
3
=
5
)
6
-
5
=
6
)
1
0
-
8
=
7
)
1
2
-
1
=
8
)
1
7
-
7
=
9
)
4
-
0
=
1
0
)
7
-
4
=
1
1
)
1
2
-
7
=
1
2
)
7
-
4
=
1
3
)
1
5
-
6
=
1
4
)
1
1
-
9
=
1
5
)
1
3
-
5
=
1
6
)
1
9
-
1
=
2
1
)
1
0
-
8
=
2
6
)
6
-
4
=
3
1
)
6
-
4
=
3
6
)
1
2
-
7
=
4
1
)
7
-
4
=
4
6
)
5
-
5
=
5
1
)
7
-
7
=
5
6
)
8
-
6
=
6
1
)
1
1
-
8
=
6
6
)
1
2
-
4
=
7
1
)
1
1
-
8
=
1
7
)
2
-
2
=
2
2
)
7
-
0
=
2
7
)
8
-
3
=
3
2
)
9
-
6
=
3
7
)
1
3
-
2
=
4
2
)
8
-
7
=
4
7
)
5
-
0
=
5
2
)
1
6
-
5
=
5
7
)
1
1
-
6
=
6
2
)
7
-
7
=
6
7
)
1
8
-
5
=
7
2
)
1
1
-
4
=
1
8
)
1
6
-
9
=
2
3
)
9
-
9
=
2
8
)
1
7
-
9
=
3
3
)
7
-
6
=
3
8
)
9
-
4
=
4
3
)
1
9
-
6
=
、
4
8
)
1
9
-
4
=
5
3
)
1
7
-
7
=
5
8
)
4
-
0
=
6
3
)
1
1
-
4
=
6
8
)
6
-
3
=
7
3
)
1
4
-
1
=
1
9
)
1
5
-
7
=
2
4
)
7
-
5
=
2
9
)
1
9
-
1
=
3
4
)
1
3
-
< br>1
=
3
9
)
1
9
-
1
=
4
4
)
7
-
7
=
4
9
)
9
-
9
=
5
4
)
6
-
6
=
5
9
)
1
0
-
5
=
6
4
)
8
-
0
=
6
9
)
2
-
0
=
7
4
)
1
-
1
=
2
0
)
2
-
1
=
2
5
)
9
-
4
=
3
0
)
8
-
3
=
3
5
)
1
1
-
6
=
4
0
)
1
6
-
0
=
4
5
)
8
-
6
=
5
0
)
1
5
-
2
=
5
5
)
1
5
-
9
=
6
0
)
1
1
-
3
=
6
5
)
1
2
-
4
=
7
0
)
7
-
3
=
7
5
)
6
-
6
=
7
6
)
1
-
1
=
7
7
)
8
-
4
=
7
8
)
1
4
-
3
=
7
9
)
1
6
-
9
=
8
0
)
7
-
3
=
8
1
)
5
-
3
=
8
2
)
1
9
-
0
=
8
3
)
9
-
3
=
8
4
)
5
-
3
=
8
5
)
1
3
-
2
=
8
6
)
1
0
-
4
=
8
7
)
1
2
-
4
=
8
8
)
1
0
-
7
=
8
9
)
7
-
1
=
9
0
)
8
-
7
=
9
1
)
9
-
6
=
9
2
)
1
-
0
=
9
3
)
7
-
3
=
9
4
)
1
1
-
5
=
9
5
)
8
-
7
=
9
6
)
-
？
7
-
1
=
9
7
)
9
-
8
=
…
9
8
)
2
-
1
=
9
9
)
1
4
-
0
=
1
0
0
)
1
< br>5
-
1
=
1
]