(1) (x+960)×80%=x-832 (2) (2x-3)÷7=59-2x (3) 75%x+40%×(14-x)=...(1) (x+960)×80%=x-832(2) (2x-3)÷7=59-2x(3) 75%x+40%×(14-x)=50%×14(4) 3/5x=(x+10)×3/5(5) 1/2+1/6+1/12+1/20+1/30+1/42

问题描述:

(1) (x+960)×80%=x-832 (2) (2x-3)÷7=59-2x (3) 75%x+40%×(14-x)=...
(1) (x+960)×80%=x-832
(2) (2x-3)÷7=59-2x
(3) 75%x+40%×(14-x)=50%×14
(4) 3/5x=(x+10)×3/5
(5) 1/2+1/6+1/12+1/20+1/30+1/42

1. x-x*80%=960*80%+8320.2x=768+8320.2x=1600x=320002. 2x-3=(59-2x)*72x+2x*7=59*7+316x=416x=263. 75%x-40%x=50%×14-40%*1435%x=10%*14x=44.3/5x=3/5x+6 题抄错了5.1/2+1/6=2/3  2/3+1/12=3/4  3/...