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