subtraction/without-borrowing/expert · セット 61
20 problems
名前：
クラス:
日付：
1
7 - 4
=
2
6 - 1
=
3
4 - 3
=
4
7 - 2
=
5
2 - 1
=
6
7 - 4
=
7
6 - 4
=
8
6 - 5
=
9
8 - 4
=
10
7 - 4
=
11
2 - 1
=
12
6 - 1
=
13
5 - 3
=
14
2 - 1
=
15
5 - 4
=
16
4 - 3
=
17
2 - 1
=
18
8 - 2
=
19
2 - 1
=
20
6 - 1
=