31.1/(3.11*2.5)简算
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31.1/(3.11*2.5)简算31.1/(3.11*2.5)简算31.1/(3.11*2.5)简算31.1/(3.11*2.5)=3.11*10/(3.11*2.5)=10/2.5=100/25=
31.1/(3.11*2.5)简算
31.1/(3.11*2.5)简算
31.1/(3.11*2.5)简算
31.1/(3.11*2.5)
=3.11*10/(3.11*2.5)
=10/2.5
=100/25
=4
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31.1/(3.11*2.5)
=3.11*10/(3.11*2.5)
=3.11*2.5*4/(3.11*2.5)
=4
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