balance-scale/addition-easy · セット 1
20 problems
名前：
クラス:
日付：
1
[1 + 2 + ?] 7
=
2
[?] 12
=
3
[1 + 1 + ?] 12
=
4
[?] 8
=
5
[4 + 1 + ?] 12
=
6
[?] 8
=
7
[2 + 2 + ?] 8
=
8
[4 + ?] 8
=
9
[1 + ?] 6
=
10
[?] 10
=
11
[2 + 2 + ?] 6
=
12
[3 + 1 + ?] 13
=
13
[1 + 1 + ?] 13
=
14
[?] 8
=
15
[2 + 2 + ?] 9
=
16
[?] 9
=
17
[4 + ?] 9
=
18
[?] 13
=
19
[?] 10
=
20
[3 + ?] 12
=