0.003 × ? × 0.0003 = 0.0000027

A) 9
B) 3
C) 0.3
D) 0.03

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138 × ? = 7452

A) 44
B) 54
C) 53
D) 64

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4.8 * 1.4 + 2.8 * 1.6 = ?

A) 11.20
B) 6.72
C) 11.40
D) 10.36

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4.4 × 1.3 + 2.5 × 1.8 = ?

A) 30.096
B) 9.72
C) 26.796
D) 10.22

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1.2 × 1.2 × 1.2 = 144 × ?

A) 0.00012
B) 0.0012
C) 0.12
D) 0.012

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