B Set 81 Form Exercise
01
25 ÷ 5 = ?
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5

02
20 ÷ 10 = ?
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2

03
32 + 10 = ?
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42

04
18 ÷ 6 = ?
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3

05
66 - 61 = ?
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5

06
11 × 8 = ?
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88

07
13 + 64 = ?
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77

08
3 × 5 = ?
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15

09
90 ÷ 10 = ?
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9

10
3 × 3 = ?
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9

11
110 - 17 = ?
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93

12
2 × 9 = ?
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18

13
28 - 21 = ?
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7

14
64 + 50 = ?
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114

15
83 + 44 = ?
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127

16
1 × 5 = ?
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5

17
6 × 3 = ?
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18

18
2 + 95 = ?
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97

19
100 - 7 = ?
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93

20
125 - 28 = ?
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97