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4.05/5.04怎么巧算
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4.05/5.04可以巧算为:
4.05/5.04 = (4 0.05)/(5 0.04)
= (4 0.05/0.04)/(5 0.04/0.04)
= (4 1.25)/(5 1)
= 5.25/6
= 35/40
= 7/8
因此,4.05/5.04可以巧妙地计算成7/8。
4.05/5.04 = (4 0.05)/(5 0.04)
= (4 0.05/0.04)/(5 0.04/0.04)
= (4 1.25)/(5 1)
= 5.25/6
= 35/40
= 7/8
因此,4.05/5.04可以巧妙地计算成7/8。
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