(x÷5×4-40)-40%x=32
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 01:54:23
![(x÷5×4-40)-40%x=32](/uploads/image/z/5593697-17-7.jpg?t=%28x%C3%B75%C3%974-40%29-40%25x%3D32)
x)Ө8t]M V56I*._`gCEPD@6Aہ"P~qAbN0قz=|}v|ڿ`]t@y&c#m}6 Z
(x÷5×4-40)-40%x=32
(x÷5×4-40)-40%x=32
(x÷5×4-40)-40%x=32
(x÷5×4-40)-40%x=32
0.8x-40-0.4x=32
0.4x=72
x=72÷0.4
x=180
根据同级原则可得
(0.8x-40)-0.4x=32
0.4x=32+40=72
x=180