missing-operator/add-sub-easy · 세트 21
20 problems
이름:
학급:
날짜:
1
12 __ 9 108
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2
23 ○ 15 38, what is ○?
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3
3 __ 9 27
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4
61 ○ 33 28, what is ○?
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5
31 ○ 7 24, what is ○?
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6
39 __ 30 9
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7
11 __ 3 33
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8
5 __ 21 26
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9
60 __ 34 26
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10
89 __ 44 45
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11
8 __ 9 72
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12
35 ○ 28 63, what is ○?
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13
76 ○ 46 30, what is ○?
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14
59 ○ 37 22, what is ○?
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15
9 __ 9 81
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16
6 __ 5 30
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17
4 ○ 4 16, what is ○?
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18
9 ○ 10 90, what is ○?
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19
48 __ 19 29
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20
43 ○ 49 92, what is ○?
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