subtraction/without-borrowing/expert · セット 23
20 problems
名前：
クラス:
日付：
1
9 - 2
=
2
8 - 3
=
3
7 - 1
=
4
8 - 7
=
5
8 - 3
=
6
3 - 1
=
7
8 - 4
=
8
8 - 7
=
9
6 - 1
=
10
7 - 6
=
11
7 - 4
=
12
8 - 2
=
13
8 - 5
=
14
6 - 3
=
15
5 - 4
=
16
3 - 1
=
17
4 - 3
=
18
8 - 1
=
19
5 - 1
=
20
5 - 1
=