36 – 0.0036 × 100 = ?

A) 0.3564
B) 35.64
C) 36.64
D) 3599.64

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0.26 * 0.28 = ?

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

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138 × ? = 7452

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

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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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4.4 × 1.3 + 2.5 × 1.8 = ?

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

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