100(95-x) - 80(100-x) = 100
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100(95-x) - 80(100-x) = 100
100(95-x) - 80(100-x) = 100
100(95-x) - 80(100-x) = 100
100(95-x) - 80(100-x) = 100 9500-100x-8000+80x=100 -20x=100-1500 -20x=-1400 x=70
是要找x=多少吗?
X/100 + X/80
(X+X)+(X-X)+(X*X)+(X/X)=100
x+2x+3x+.+100x
X+X+X+X+X+X+100X=1690 问:X等于多少
x(x-1)(x-2)...(x-99)(x-100)
100(95-x) - 80(100-x) = 100
X/100+X/80=9/4x
80x=100x(x-4)方程怎么解
(X/80+X/100 +5)*40=X,
80(X+100)=X(60+X)怎么解
100-X=11分之7x(80+X)=?
x+80=100+x 求X是多少?
2X/(X/80+X/100)=
100x=80*(72-x)
(100-X)(80-X)=7644
80*X=100*(X-60)
(80-x)(100-x)=1200诶解是
80(X+2)=100X