5.4*0.33 5.4*0.67怎么简便

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5.4*0.33 5.4*0.67怎么简便
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5.4*0.33 5.4*0.67怎么简便
5.4*0.33 5.4*0.67怎么简便

5.4*0.33 5.4*0.67怎么简便
5.4*0.33+ 5.4*0.67
=5.4*(0.33+0.67)
=5.4*1
=5.4

5.4×0.33+ 5.4×0.67
=5.4×(0.33+0.67)
=5.4×1
=5.4