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