0.2x+0.2x*1.25+12=0.5x+2怎样计算0.2x+0.2x*1.25+12=0.5x+2
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0.2x+0.2x*1.25+12=0.5x+2怎样计算0.2x+0.2x*1.25+12=0.5x+20.2x+0.2x*1.25+12=0.5x+2怎样计算0.2x+0.2x*1.25+12=0.
0.2x+0.2x*1.25+12=0.5x+2怎样计算0.2x+0.2x*1.25+12=0.5x+2
0.2x+0.2x*1.25+12=0.5x+2怎样计算
0.2x+0.2x*1.25+12=0.5x+2
0.2x+0.2x*1.25+12=0.5x+2怎样计算0.2x+0.2x*1.25+12=0.5x+2
0.45x+12=0.5x+2
0.05x=10
x=200
0.2x+0.4x=12 x=?20x+x=420 x=?
0.2x=0.8x-7.8(x=-13,x=13,x=12)
0.2x+0.2x*1.25+12=0.5x+2怎样计算0.2x+0.2x*1.25+12=0.5x+2
(0.2x+0.5)/0.04+(x-3)/0.6=12x
(1+0.2)X=(X-64)/0.
x-30-0.2x=0.5x
x-0.2x=80 求x
x-0.8x=12 x-0.7x=2.34 x-0.2x=16 列方程 x-0.8x=12 x-0.7x=2.34 x-0.2x=16 列方程
0.2(X-11)=12-0.3X
求1/2x^2-1/4x+0.2x^3+0.25x-0.5x^2-1/5x^3+0.5x-1 其中x=12/13
求1/2x^2-1/4x+0.2x^3+0.25x-0.5x^2-1/5x^3+0.5x-1 其中x=12/13
(X-8)/X=0.2(X-8)/X=0.2
X-X×0.2=1.18
x-0.2.x=180
x-0.2x=36
x=120+(x ×0.2)
(x-1)+(x+2)+0.2x+2x=46
16^X - 12^X -9^X = 0.求X.