subtraction/basic/medium · セット 53
20 problems
名前：
クラス:
日付：
1
8 - 2
=
2
2 - 1
=
3
7 - 6
=
4
3 - 1
=
5
3 - 2
=
6
9 - 8
=
7
4 - 1
=
8
7 - 5
=
9
5 - 4
=
10
4 - 3
=
11
5 - 1
=
12
6 - 3
=
13
10 - 5
=
14
4 - 2
=
15
7 - 4
=
16
10 - 3
=
17
6 - 5
=
18
9 - 2
=
19
8 - 4
=
20
7 - 3
=