数学简便计算1.35×0.27-13.5×0.007要怎么算?
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1.35×0.27一13.5X0.007
=1.35X0.27一1.35Ⅹ10Ⅹ0.007
=1.35X(0.27一10Ⅹ0.007)
=1.35X(0.27一0.07)
=1.35X0.2
=0.27
=1.35X0.27一1.35Ⅹ10Ⅹ0.007
=1.35X(0.27一10Ⅹ0.007)
=1.35X(0.27一0.07)
=1.35X0.2
=0.27
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1.35×0.27-13.5×0.007
=1.35×(0.27-0.07)
=1.35×0.2
=0.27
=1.35×(0.27-0.07)
=1.35×0.2
=0.27
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1.35×0.27-13.5×0.007
=1.35×(0.27-10×0.007)
=1.35×(0.27-0.07)
=1.35×0.2
=0.27
望采纳,谢谢
=1.35×(0.27-10×0.007)
=1.35×(0.27-0.07)
=1.35×0.2
=0.27
望采纳,谢谢
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