简便运算(78.6—0.786×25+75%×21.4)÷15×2001
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/04 00:04:43
![简便运算(78.6—0.786×25+75%×21.4)÷15×2001](/uploads/image/z/110110-22-0.jpg?t=%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%EF%BC%8878.6%E2%80%940.786%C3%9725%2B75%25%C3%9721.4%EF%BC%89%C3%B715%C3%972001)
x){ɾ/Oxn=zf[ndmn
L<100I*'W~
E\Dn[Rs׆Ƀ`240@H`pLm@! hɭ
简便运算(78.6—0.786×25+75%×21.4)÷15×2001
简便运算(78.6—0.786×25+75%×21.4)÷15×2001
简便运算(78.6—0.786×25+75%×21.4)÷15×2001
(78.6—0.786×25+75%×21.4)÷15×2001
=(78.6—78.6×0.25+75%×21.4)÷15×2001
= (78.6×0.75+75%×21.4)÷15×2001
=(78.6+21.4)×0.75÷15×2001
=100×0.75÷15×2001
=75÷15×2001
=5×2001
=10005