subtraction/basic/medium · セット 69
20 problems
名前：
クラス:
日付：
1
8 - 4
=
2
10 - 1
=
3
9 - 8
=
4
10 - 9
=
5
6 - 1
=
6
7 - 4
=
7
8 - 2
=
8
10 - 2
=
9
6 - 3
=
10
8 - 1
=
11
9 - 7
=
12
7 - 6
=
13
2 - 1
=
14
7 - 2
=
15
5 - 3
=
16
3 - 2
=
17
5 - 4
=
18
7 - 3
=
19
6 - 2
=
20
10 - 6
=