(425乘5775+4225乘425)÷125÷8
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/08 07:44:40
(425乘5775+4225乘425)÷125÷8
怎么简便算?
怎么简便算?
![(425乘5775+4225乘425)÷125÷8](/uploads/image/z/293898-66-8.jpg?t=%28425%E4%B9%985775%2B4225%E4%B9%98425%29%C3%B7125%C3%B78)
(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
=(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