X-0.48X=0.
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X-0.48X=0.
X-0.48X=0.
X-0.48X=0.
X-0.48X=0.4
0.52x=0.4
x=1/13
x-0.12y>-2.4; y-0.48x>-9.6 25x-3y>-60 25y-12x>-240 y>-240/25+12x/25 3y>-144/5+36x/25 -3y>-60-25x 0>-60-25x-
0.52x=0.4
x=0.4/0.52=10/13≈0.77
X-0.48X=0.
一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X
(X+X)+(X-X)+(X*X)+(X/X)=100
x-0.48x=7.28
x-0.48x=4.68
x-0.52x=0.48
X-0.48X=0.78
x-0.48x=20.8
x-0.48x=7.2
x-0.48x=7.28
16^X - 12^X -9^X = 0.求X.
(98-X)+(100-X)+X=X/0.
x-0.25x=0.
x+4.5x=0.
X-0.25x=0.
4.8x-x=0.
X-0.25x=0.
2.2x-x=0.