(425乘5775+4225乘425)÷125÷8怎么简便算?

来源:学生学帮网 编辑:学帮网 时间:2024/06/17 21:46:49

(425乘5775+4225乘425)÷125÷8
怎么简便算?

(425×5775+4225×425)÷125÷8
=(425×25×231+169×25×425)÷125÷8
=425×25×(231+169)÷125÷8
=425×25×400÷125÷8
=425×25×400÷(125×8)
=425×10000÷1000
=425×10
=4250

4250