125✘3.2用简便方法怎么计算?
发布网友
发布时间:2024-10-02 16:27
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热心网友
时间:2024-10-03 21:30
方法一:125拆分
125×3.2
=25×5×3.2
=25×16
=25×4×4
=100×4
=400
方法二:3.2拆分
125×3.2
=125×32÷10
=125×8÷10×4
=1000÷10×4
=100×4
=400
热心网友
时间:2024-10-03 21:34
125×3.2
=125×8×0.4
=1000×0.4
=400
热心网友
时间:2024-10-03 21:38
125✘3.2
=125x8x0.4
=1000x0.4
=400
热心网友
时间:2024-10-03 21:31
125*3.2
=125*(4-0.8)
=125*4-125*0.8
=500-1 00
=400
热心网友
时间:2024-10-03 21:31
125×3.2
=125×(3+0.2)
=125×3+125×0.2
=375+25
=400