
4.09除以1.25怎么巧算?
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计算如下:
4.09除以1.25
=4.09÷1.25
=4.09÷(5/4)
=4.09×4/5
=16.36/5
=16.36×2/10
=32.72/10
=3.272
4.09除以1.25
=4.09÷1.25
=4.09÷(5/4)
=4.09×4/5
=16.36/5
=16.36×2/10
=32.72/10
=3.272
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