18x-32.5×18=57.6

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18x-32.5×18=57.6
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18x-32.5×18=57.6
18x-32.5×18=57.6

18x-32.5×18=57.6
 

18*(X-32.5)=57.6 (x+30)*(x-18)=x*x 18x-32.5×18=57.6 (x-32.5)×18＝57.6 90-x=2x(18+x) x/(x^2+6x+18)=? x平方+x=18,求x x-0.7x=18 x-60%x=18 180-x/x=18% X+5X=18 x-10%x=18 x(x-1)=18 x-0.8x=18 x-10%X=18 x+18=1.4x -14x-18x=? 32:X=x:18 ...