balance-scale/2-item/easy · 套题 1
20 problems
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班级:
日期:
1
[2 + 2 + ?] 7
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2
[2 + 2 + ?] 6
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3
[3 + 3 + ?] 9
=
4
[1 + 1 + ?] 11
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5
[?] 13
=
6
[2 + ?] 5
=
7
[?] 7
=
8
[6 + ?] 12
=
9
[2 + 1 + ?] 7
=
10
[1 + 1 + ?] 4
=
11
[4 + ?] 8
=
12
[2 + 2 + ?] 7
=
13
[2 + 2 + ?] 11
=
14
[?] 5
=
15
[1 + 1 + ?] 5
=
16
[2 + 3 + ?] 10
=
17
[1 + 2 + ?] 9
=
18
[?] 13
=
19
[3 + 1 + ?] 10
=
20
[?] 13
=