5.2乖以9.9简便计算
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发布时间:2023-09-26 21:09
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热心网友
时间:2023-10-09 01:45
5.2x9.9
=5.2x(10-0.1)
=5.2x10-5.2x0.1
=52-0.52
=51.48
热心网友
时间:2023-10-09 01:46
5.2 × 9.9
= 5.2 × 10 - 5.2 × 0.1
= 52 - 0.52
= 51.48
热心网友
时间:2023-10-09 01:46
5.2乖以9.9
=5.2*(10-0.1)
=52-0.52
=51.48
直接将9.9拆开就可以了
热心网友
时间:2023-10-09 01:47
5.2x9.9
=5.2x(10-0.1)
=5.2x10+5.2x0.1
=52-0.52
=51.48