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用竖式计算:(带★要验算) 7.06×4.05 ★2.24÷1.4 2.05

7.06 × 3.5 = 24.71 竖式见图: 验算: 3.5 × 7.06 = 24.71

(1)4.98×2.5=12.45; (2)0.64×0.15=0.096; (3)7.06×2

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