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1.9x0.34竖式计算

1.6 × 3.3 = 5.28 9.82 × 0.3 = 2.946 0.27 × 1.3 = 0.351 5.92 × 1.8 = 10.656 0.34 × 0.15 = 0.051 竖式见图 能不能一个个问,耽误时间

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