subtraction/facts/starter · セット 30
20 problems
名前：
クラス:
日付：
1
2 - 1
=
2
6 - 5
=
3
9 - 5
=
4
2 - 1
=
5
5 - 3
=
6
4 - 2
=
7
7 - 2
=
8
2 - 1
=
9
3 - 2
=
10
5 - 2
=
11
4 - 1
=
12
2 - 1
=
13
7 - 6
=
14
2 - 1
=
15
4 - 1
=
16
7 - 5
=
17
5 - 4
=
18
8 - 6
=
19
2 - 1
=
20
3 - 2
=