subtraction/with-borrowing/hard · セット 65
20 problems
名前：
クラス:
日付：
1
6 - 3
=
2
2 - 1
=
3
6 - 2
=
4
8 - 1
=
5
5 - 1
=
6
4 - 3
=
7
9 - 6
=
8
5 - 4
=
9
5 - 4
=
10
7 - 4
=
11
8 - 3
=
12
9 - 8
=
13
2 - 1
=
14
8 - 1
=
15
6 - 2
=
16
9 - 3
=
17
5 - 3
=
18
4 - 3
=
19
2 - 1
=
20
4 - 1
=