subtraction/without-borrowing/expert · セット 72
20 problems
名前：
クラス:
日付：
1
7 - 3
=
2
6 - 4
=
3
9 - 8
=
4
3 - 1
=
5
6 - 5
=
6
9 - 3
=
7
7 - 6
=
8
6 - 3
=
9
9 - 5
=
10
7 - 4
=
11
4 - 2
=
12
6 - 5
=
13
8 - 3
=
14
2 - 1
=
15
7 - 1
=
16
3 - 1
=
17
6 - 4
=
18
7 - 1
=
19
7 - 2
=
20
8 - 5
=