(x+60)*(100%+10%)-x(100%-80%)=120 求
4个回答
化简:
(x+60)*1.1-x0.2=120
1.1x+66-0.2x=120
0.9x=54
x=60
相关问题
100(95-x) - 80(100-x) = 100 (240-x)/x*100%=20% (100%-10%)*y=
40 60 80 100 15.8 10.5 x 6.3 求X的值
解方程 (X+120)÷100=(X-120)÷80
x+y=10x100/80
(100-100x)^2+(80-80x)^2=(10√41)^2简便计算
(50+120+350+450+100+80x)/14x=82
解方程:100-X=80-X100-X=80+X
(80 + x/20)*10 = x + 100怎么解?
20+40+60+80+100=()x()=()的规律
10+20+30+40+50+60+70+80+90+100+110+120+130.+1000=?