subtraction/basic/medium · セット 50
20 problems
名前：
クラス:
日付：
1
8 - 2
=
2
8 - 5
=
3
9 - 5
=
4
2 - 1
=
5
6 - 1
=
6
4 - 2
=
7
9 - 8
=
8
3 - 1
=
9
4 - 3
=
10
8 - 1
=
11
10 - 6
=
12
7 - 5
=
13
9 - 7
=
14
5 - 3
=
15
7 - 3
=
16
9 - 3
=
17
3 - 2
=
18
7 - 2
=
19
6 - 2
=
20
6 - 5
=