subtraction/basic/medium · セット 63
20 problems
名前：
クラス:
日付：
1
8 - 5
=
2
3 - 1
=
3
10 - 9
=
4
2 - 1
=
5
10 - 5
=
6
7 - 5
=
7
3 - 2
=
8
5 - 3
=
9
5 - 1
=
10
4 - 2
=
11
10 - 2
=
12
10 - 8
=
13
5 - 4
=
14
6 - 1
=
15
6 - 4
=
16
4 - 1
=
17
7 - 2
=
18
5 - 2
=
19
4 - 3
=
20
6 - 3
=