X·1.35×0.8-50-X=166

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X·1.35×0.8-50-X=166X·1.35×0.8-50-X=166X·1.35×0.8-50-X=166X·1.35×0.8-50-X=1661.08x-x=2160.08x=216x=27

X·1.35×0.8-50-X=166
X·1.35×0.8-50-X=166

X·1.35×0.8-50-X=166
X·1.35×0.8-50-X=166
1.08x-x=216
0.08x=216
x=2700

1.08X-X=216
0.08X=216
X=216/0.08
X=2700

那个点是？？

1.35Xx0.8-50-X=166
1.08X-X=216
0.08X=216
X=2700

=1.08x-50-x=166
0 .08x-50=166
0.08x=166+50
0.08x=216
x=216÷0.08
后面自己算

X·1.35×0.8-50-X=166 x+ x+(x*50%)=1.5X? X+0.8X=? 50×0.8+(x-50)×1.2=x x等于 (x+50)0.8=x+10 0.8 乘 0.45x-x=50 x+3x+x-2+x+x+50%x=188 求x （X+X)+(X-X)+(X*X)+(X/X)=100 x-0.8x=16 x=? 0.8x=x-30 x= x-0.8x=0.4x=? X-0.8X=6 X=? 50X=200+X*X 30%x=50%x-20x 1.35X=X+56 0.8*50x>0.7*50(x+4) 0.8*50x=0.7*50(x+4) 0.8*50x(1)0.8*50x>0.7*50(x+4)(2)0.8*50x=0.7*50(x+4)(3)0.8*50x 谁能算出“X”的值?π·(X^2)·4x=50X等于多少? x-0.8x=0.8