63×6.4+3.6×64用简便算法怎么算?
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发布时间:2024-10-19 19:35
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热心网友
时间:2024-11-15 20:55
63×6.4+3.6×64
=63×6.4+36×0.1×64
=63×6.4+36×6.4
=(63+36)×6.4
=99×6.4
=(100-1)×6.4
=100×6.4-1×6.4
=640-6.4
=633.6
热心网友
时间:2024-11-15 21:02
63x6.4+3.6x64
=64x(6.3+3.6)
=64x9.9
=64x10-64x0.1
=64-6.4
=60-2.4
=57.6
以上就是简便计算过程。