missing-operator/add-sub-medium · Set 99
20 problems
Nome:
Classe:
Data:
1
17 __ 15 2
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2
28 __ 20 48
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3
13 ○ 4 17, what is ○?
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4
29 __ 24 53
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5
29 __ 1 30
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6
36 __ 44 80
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7
70 ○ 33 37, what is ○?
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8
42 ○ 6 7, what is ○?
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9
84 __ 12 7
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10
13 __ 45 58
=
11
2 ○ 4 8, what is ○?
=
12
47 __ 10 57
=
13
31 __ 9 40
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14
3 ○ 6 18, what is ○?
=
15
22 ○ 2 11, what is ○?
=
16
72 ○ 30 42, what is ○?
=
17
29 ○ 33 62, what is ○?
=
18
11 __ 12 23
=
19
11 ○ 12 132, what is ○?
=
20
23 __ 8 31
=