(425×5770+4225×425)÷125÷8如何用简便运算
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:2024/07/31 23:58:48
(425×5770+4225×425)÷125÷8如何用简便运算
五年级的简便运算
五年级的简便运算
![(425×5770+4225×425)÷125÷8如何用简便运算](/uploads/image/z/19455167-47-7.jpg?t=%EF%BC%88425%C3%975770%2B4225%C3%97425%EF%BC%89%C3%B7125%C3%B78%E5%A6%82%E4%BD%95%E7%94%A8%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97)
(425×5770+4225×425)÷125÷8
=425×(5770+4225)÷(125×8)
=425×9995÷1000
=(10000-5)×425÷1000
=10000×425÷1000 - 5×425÷1000
=4250-2125÷1000 (5×425就直接算呗,没什么好分解的了)
=4250-2.125
=4247.875
=425×(5770+4225)÷(125×8)
=425×9995÷1000
=(10000-5)×425÷1000
=10000×425÷1000 - 5×425÷1000
=4250-2125÷1000 (5×425就直接算呗,没什么好分解的了)
=4250-2.125
=4247.875