用简便方法计算 6.54*1.2-1.87
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发布时间:2023-01-17 04:32
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热心网友
时间:2023-11-18 08:40
6.54*1.2-1.87
=6.54x(1+0.2)-1.87
=6.54+6.54x0.2-1.87
=6.54+1.308-1.87
=5.978
热心网友
时间:2023-11-18 08:40
6.54*1.2-1.87
=6.54x(1+0.2)-1.87
=6.54+6.54x0.2-1.87
=6.54+1.308-1.87
=5.978