B Set 5 Form Exercise

x + 10 = 28, x = ?

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Answer: 18

x + 18 = 22, x = ?

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Answer: 4

8.0 + 3.4 = ?

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Answer: 11.4

(6 + 3) × 2 = ?

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Answer: 18

10% of 12 = ?

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Answer: 1.2000000000000002

GCF(28, 21) = ?

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Answer: 7

GCF(8, 10) = ?

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Answer: 2

2/6 - 2/6 = ?

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Answer: 0/6

38 × 6 = ?

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Answer: 228

GCF(15, 12) = ?

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Answer: 3

17 × 11 = ?

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Answer: 187

582 ÷ 6 = ?

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Answer: 97

7.2 + 7.9 = ?

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Answer: 15.1

GCF(16, 24) = ?

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Answer: 8

7/8 - 4/8 = ?

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Answer: 3/8

x + 6 = 16, x = ?

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Answer: 10

2/8 + 3/8 = ?

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Answer: 5/8

2/4 - 1/4 = ?

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Answer: 1/4

37 × 6 = ?

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Answer: 222

GCF(9, 15) = ?

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Answer: 3