(862+431+431)×25简便运算
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 06:58:05
![(862+431+431)×25简便运算](/uploads/image/z/98290-10-0.jpg?t=%28862%2B431%2B431%29%C3%9725%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97)
(862+431+431)×25简便运算
(862+431+431)×25简便运算
(862+431+431)×25简便运算
(862+431+431)×25=(431+431+431+431)×25=431×4×25=431×100=43100
原式=(4*431)*25=100*431=43100
(862+431+431)*25=(431+431+431+431)*25=431*4*25=431*100=43100