130 × 110 = ?

A) (100 × 100) + (30 × 10)
B) (150 × 110) + (20 × 110)
C) (100 + 30) × (100 + 100) + (30 × 10)
D) (110 × 110) + (110 × 20)

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13089 × 12 = ?

A) 157168
B) 157068
C) 167068
D) 147068

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0.02 × 0.004 = ?

A) 0.00008
B) 0.0008
C) 0.008
D) 0.08

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(71 + 25) * 26 = ?

A) 2496
B) 1801
C) 1846
D) 1775

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0.26 * 0.28 = ?

A) 72.8
B) 0.728
C) 0.0728
D) 7.280

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