x-25%x=0.75
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x-25%x=0.75x-25%x=0.75x-25%x=0.75=1-25%x=0.7575%x=0.75÷75%x=1
x-25%x=0.75
x-25%x=0.75
x-25%x=0.75
=1-25%x=0.75
75%x=0.75÷75%
x=1
x-25%x=0.75
0.15+x-0.75x=25求X
x-0.75x=25怎样解
0.75x+25=x答案是多少?
x-0.75x=25怎样解,
x-0.75x=25怎样解
0.75x+25= 0.8x-20
144=25X*X-X*X*X*X 求X的解,RT
x-2x+3x-4x+5x.+99x-100x=25求解
(x-25)+(x-23)+(x-27)+(x-21)+(x-26)=x 求x
4.2-0.6x=3.6x 5x+2x=33.6 7x-4x=0.75 2x+7x+2.1=12 56x-32x-119=361 x+5=2x 3x+9=6x 4x-28=2x 2x+18=7x 5x=25*4-15x 7x-x+2*3=29.4 (28.8+5.5x+3.2)除2=71
(X+X)+(X-X)+(X*X)+(X/X)=100
2.6x-x-0.1x=0.75
25x+x-x-23=25
x(x-25)=310,x=?.
25%x+x=10 x=?
x-25=80%x,x=?
X+(25+X)+X-27=103