x/198.6/10*(198.6-87.4)=x-8500
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x/198.6/10*(198.6-87.4)=x-8500
x/198.6/10*(198.6-87.4)=x-8500
x/198.6/10*(198.6-87.4)=x-8500
x*198.6-8500=x/10*(198.6+87.4) x* 198.6-8500=28.6x 170x=8500 x=50
x/198.6/10*(198.6-87.4)=x-8500
198.6*10X-(198.6+87.4)*X=8500
198.6x+87.4x+8500=198.6*10x的值为(要有过程).
x*198.6-8500=x/10*(198.6+87.4)的值为多少
198.6*10x=(198.6+87.4)x+8500 谁会解这个方程
试求:x-x^10-x^21+x^32+x^43-x^54+x^65+x^76-x^87-x^98被x-1除所得的余式
x-x*9/10
X+(x+2)=(x+4)+87,
(x+12)(x-2)+(x+7)(x+8)-(x+5)(x-10),其中x=2
(x-1)/(x+3x+2)+6/(2+x-x)-(10-x)/(4-x)
因式分解(x+1)(x+2)-x-10(x²-x)²-18(x²-x)+72
(x^2-x)^2-18(x^2-x)+72(x+1)(x+2)-x-10
解方程(x/x(x+2))+(x/(x+2)(x+4))+.+x/(x+8)(x+10)=1
(x+7/x+6) +(x+9/x+8)=9x=(x+10/x+9) +(x+6/x+5)
X+X+X+(X-1)+(X-2)+(X-3)+(X-4)=10(X-3)+(X-4)
化简|x-5|+|x+10|-|x-15|,
|x+5|+|x-7|+|x+10|化简
(X-2)(X+3)+3x+10