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