64.2×10.1简便计算?
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64.2️️️️×10.1
=(64+0.2)+(10+0.1)
=64×10+64×0.1+0.2×10+0.2×0.1
=640+6.4+2+0.02
=646.4+2+0.02
=648.4+0.02
=648.42
希望我的回答可以帮到你,谢谢!
=(64+0.2)+(10+0.1)
=64×10+64×0.1+0.2×10+0.2×0.1
=640+6.4+2+0.02
=646.4+2+0.02
=648.4+0.02
=648.42
希望我的回答可以帮到你,谢谢!
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解:
原式=64.2×10.1
=64.2×(10+0.1)
=64.2×10+64.2×0.1
=642+6.42
=648.42
答:等于648.42。
原式=64.2×10.1
=64.2×(10+0.1)
=64.2×10+64.2×0.1
=642+6.42
=648.42
答:等于648.42。
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可以这样算
64.2*10.1
=64.2*(10+0.1)
=64.2*10+64.2*0.1
=642+6.42
=648.42
64.2*10.1
=64.2*(10+0.1)
=64.2*10+64.2*0.1
=642+6.42
=648.42
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你好:
64.2×10.01
=64.2×10+64.2×0.01
=642+0.642
=642.642
64.2×10.01
=64.2×10+64.2×0.01
=642+0.642
=642.642
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64.2×10.1
=64.2×(10+0.1)
=64.2×10+64.2×0.1
=642+6.42
=648.42
=64.2×(10+0.1)
=64.2×10+64.2×0.1
=642+6.42
=648.42
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