B Set 1 Form Exercise

7^2 = ?

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Answer: 49

7^3 = ?

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Answer: 343

10% of 40 = ?

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Answer: 4

2/4 - 1/4 = ?

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Answer: 1/4

(3 + 4) × 5 = ?

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Answer: 35

2 + 2^2 = ?

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Answer: 6

420 ÷ 6 = ?

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Answer: 70

2^3 = ?

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Answer: 8

25% of 48 = ?

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Answer: 12

284 ÷ 4 = ?

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Answer: 71

7 × x = 28, x = ?

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Answer: 4

1/5 + 4/5 = ?

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Answer: 5/5

x + 17 = 37, x = ?

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Answer: 20

75% of 40 = ?

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Answer: 30

1 + 4 × 5 = ?

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Answer: 21

22 × 9 = ?

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Answer: 198

2/3 + 1/3 = ?

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Answer: 3/3

2/8 - 1/8 = ?

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Answer: 1/8

3.5 - 2.7 = ?

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Answer: 0.8

21 × 2 = ?

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Answer: 42