B Set 9 Form Exercise

3/8 - 2/8 = ?

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Answer: 1/8

2/7 - 1/7 = ?

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Answer: 1/7

(2 + 3) × 5 = ?

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Answer: 25

x + 18 = 27, x = ?

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Answer: 9

GCF(8, 8) = ?

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Answer: 4

x + 17 = 20, x = ?

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Answer: 3

50 ÷ 2 = ?

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Answer: 25

3/6 + 1/6 = ?

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Answer: 4/6

3/3 - 2/3 = ?

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Answer: 1/3

x + 14 = 25, x = ?

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Answer: 11

(1 + 8) × 3 = ?

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Answer: 27

20 ÷ 2 = ?

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Answer: 10

4/7 + 5/7 = ?

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Answer: 9/7

1.4 - 0.4 = ?

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Answer: 1.0

(2 + 1) × 3 = ?

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Answer: 9

4/4 - 2/4 = ?

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Answer: 2/4

20% of 68 = ?

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Answer: 13.600000000000001

50% of 52 = ?

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Answer: 26

GCF(16, 12) = ?

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Answer: 4

x + 14 = 15, x = ?

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Answer: 1