addition/with-regrouping/medium · セット 53
20 problems
名前：
クラス:
日付：
1
5 + 10
=
2
2 + 2
=
3
2 + 1
=
4
8 + 10
=
5
10 + 8
=
6
1 + 8
=
7
2 + 5
=
8
1 + 2
=
9
5 + 1
=
10
2 + 6
=
11
4 + 2
=
12
3 + 3
=
13
6 + 2
=
14
7 + 10
=
15
8 + 10
=
16
1 + 7
=
17
7 + 2
=
18
10 + 9
=
19
2 + 6
=
20
5 + 1
=