subtraction/without-borrowing/expert · セット 60
20 problems
名前：
クラス:
日付：
1
8 - 4
=
2
2 - 1
=
3
6 - 3
=
4
8 - 1
=
5
5 - 4
=
6
6 - 5
=
7
7 - 2
=
8
5 - 1
=
9
3 - 2
=
10
2 - 1
=
11
5 - 4
=
12
3 - 2
=
13
7 - 3
=
14
7 - 4
=
15
8 - 2
=
16
2 - 1
=
17
8 - 2
=
18
9 - 3
=
19
3 - 2
=
20
7 - 6
=