35(x-2)-15(5x-6)=(22x-63)-21(3x-4)咋算?
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35(x-2)-15(5x-6)=(22x-63)-21(3x-4)咋算?
![35(x-2)-15(5x-6)=(22x-63)-21(3x-4)咋算?](/uploads/image/z/10383379-43-9.jpg?t=35%28x-2%29-15%285x-6%29%3D%2822x-63%29-21%283x-4%29%E5%92%8B%E7%AE%97%3F)
35(x-2)-15(5x-6)=(22x-63)-21(3x-4)
35x-70-75x+90=22x-63-63x+84
-45x+20=-41x+21
45x-41x=20-21
4x=-1
x=-1/4
35x-70-75x+90=22x-63-63x+84
-45x+20=-41x+21
45x-41x=20-21
4x=-1
x=-1/4
35(x-2)-15(5x-6)=(22x-63)-21(3x-4)咋算?
35(X-2)+15(5X-6)=(22X-51)+21(3X-4)
已知 X=4- 根号3 求 (X*X*X*X-6X*X*X-2X*X+18X+23) / (X*X-8X+15)的值
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
35(x-2)-15(5x-6)=22x-63-21(3x-4)
1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550
2x+3x+4x+5x+x+6x+7x=100
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
方程35(2-x)+15(6-5x)=22x+7+21(4-3x)
已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^5+x^6+x^7+x^8的值
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
y=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10)的导数在x=1