x-7/12+1/3=11/30 x=?
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x-7/12+1/3=11/30 x=?
![x-7/12+1/3=11/30 x=?](/uploads/image/z/19898096-32-6.jpg?t=x-7%2F12%2B1%2F3%3D11%2F30+x%3D%3F)
x=7/12-1/3+11/30
x=7/12-4/12+11/30
x=3/12+11/30
x=1/4+11/30
x=15/60+22/60
x=37/60
x=7/12-4/12+11/30
x=3/12+11/30
x=1/4+11/30
x=15/60+22/60
x=37/60
1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550
如果3x*x-x=1那么9x*x*x*x+12x*x*x-3x*x-7x+2001等于多少
(2x-1)/(x-1)(x-2)=(x-5)/(x-2)(x-3) x/2x^2-11x-21=(x+7)/x^2-1
4(x+3)=2x+2 7(x-1)=2x+3 4x+20=6x-30 4x-12=2x 2x-3=x+7 3x-4=2
计算:(x+1)x=7 (x-1)(x+2)=30 (3-x)(3-x)+x=9
已知3x*x-x=1,求6x*x*x+7x*x-5x+2000
用递归法求y=x-(x*x*x/3!)+(x*x*x*x*x/5!)-(x*x*x*x*x*x*x/7!)+.
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
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
已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^+x^6+x^7+x^8的值
设函数f(x)=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10),
解方程:1/(x*x+11x-8)+1/(x*x+-8)+1/(x*x-3x-8)=0