56.5乘以9.9乘以56.5简算快点要不然我就死定了

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56.5乘以9.9乘以56.5简算快点要不然我就死定了56.5乘以9.9乘以56.5简算快点要不然我就死定了56.5乘以9.9乘以56.5简算快点要不然我就死定了56.5*(10-0.1)*56.5=

56.5乘以9.9乘以56.5简算快点要不然我就死定了
56.5乘以9.9乘以56.5简算
快点要不然我就死定了

56.5乘以9.9乘以56.5简算快点要不然我就死定了
56.5*(10-0.1)*56.5
=

56.5*9.9*56.5
=56.5*(9.9+1)
=56.5*(10+1-0.1)
=565+56.5-5.65