简算4649.05÷0.7×1.6×0.4÷3.2×1.5 ..

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简算4649.05÷0.7×1.6×0.4÷3.2×1.5 ..

简算4649.05÷0.7×1.6×0.4÷3.2×1.5 ..
简算4649.05÷0.7×1.6×0.4÷3.2×1.5 ..

简算4649.05÷0.7×1.6×0.4÷3.2×1.5 ..
4649.05÷0.7×1.6×0.4÷3.2×1.5
= 46490.5÷7×0.2×1.5
= 6641.5×0.3
= 1992.45

f

先算后边的,约分就可以了

1992.45

4649.05÷0.7×1.6×0.4÷3.2×1.5
=4649.05÷0.7×(1.6÷3.2)×(1.5×0.4)
=6641.5 ×(0.5×0.6)
=6641.5×0.3
=1992.45