化简:6x-28-2.5x+30.5
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化简:6x-28-2.5x+30.5
[ 6x-28-2.5x+30.5 ]简化[ (5x+7)-(4x+0.18)
6x-28-2.5x+30.5怎么化简?
6A+12A化简6X-28-2.5X+30.5化简8A-(5A+8)化简(5x+7)-(4X+0.18)
化简 6a+13a 6x-28-2.5x+30.5 8a-(5a+8) (5x+7)-(4x+0.18)
化简 6a+13a 6x-28-2.5x+30.5 8a-(5a+8) (5x+7)-(4x+0.18)
(x/x-2)+(2/x*2+2x)-(x+6/x*2-4)化简,=x^2/x(x-2)+(2x-4)/x(x^2-4)-(x^2+6x)/x(x^2-4)=x^2/x(x-2)-(x+2)/x(x-2)=(x-2)(x+1)/x(x-2)=(x+1)/x
X乘X减2.5X=6, 求X!
化简 |x-6|+|x+2|
化简x^5+x^6
化简(x^2+3x+9)/(x^3-27)+(6x)/(9x-x^2)-(x-1)/(6+2x)
(x^2+3x+9)/(x^2-9)+6x/(9x-x^2)-(x-1)/(6+2x)化简
化简:x平方-x-2/x平方-x-6除以x平方+4x-5/x平方+2x-10
化简x^2(x-1)-x(x^2+2x-6),其中x=2/1
化简(x+2)(x的平方-6x-9)-(x-5)(x-3)x
(x/x-2)+(2/x*2+2x)-(x+6/x*2-4)化简,
化简~(x²+3x+9/x²-27)+(6x/9x-x²)-(x-1/6+2x)(x²+3x+9/x²-27)+(6x/9x-x²)-(x-1/6+2x)注意了!是三个分式!(x²+3x+9)/(x²-27)+(6x)/(9x-x²)-(x-1)/(6+2x)
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