竖式计算并验算 0.542X3.5 45/2.50.542X3.5和45/2.5要验算
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![竖式计算并验算 0.542X3.5 45/2.50.542X3.5和45/2.5要验算](/uploads/image/z/318285-45-5.jpg?t=%E7%AB%96%E5%BC%8F%E8%AE%A1%E7%AE%97%E5%B9%B6%E9%AA%8C%E7%AE%97+0.542X3.5+45%2F2.50.542X3.5%E5%92%8C45%2F2.5%E8%A6%81%E9%AA%8C%E7%AE%97)
竖式计算并验算 0.542X3.5 45/2.50.542X3.5和45/2.5要验算
竖式计算并验算 0.542X3.5 45/2.5
0.542X3.5和45/2.5要验算
竖式计算并验算 0.542X3.5 45/2.50.542X3.5和45/2.5要验算
(1)0.542×3.5=0.271×2×3.5
=0.271×7
=1.897
(2)45/2.5=45×4/(2.5×4)=180/10=18.