-x∧9÷(-x)∧3÷x∧2
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-x∧9÷(-x)∧3÷x∧2-x∧9÷(-x)∧3÷x∧2-x∧9÷(-x)∧3÷x∧2X的四次方兔子
-x∧9÷(-x)∧3÷x∧2
-x∧9÷(-x)∧3÷x∧2
-x∧9÷(-x)∧3÷x∧2
X的四次方
兔子
-x∧9÷(-x)∧3÷x∧2
6÷(x-1)+3÷x=(x+5)÷(x∧2-x)
(1-x∧2)/(x∧2-x-6)×(9-6x+x∧2)/(2x∧2+6x+4)÷(x∧2-4x+3)/(5x∧2+20x+20)
3x/(x-2)-x/(x+2)÷2x/(x-4)化简3x/(x-2)-x/(x+2)÷2x/(x²-4)化简
1.(x^3-x^2-4x+1)/(x^2-3x+2)-(x^3-2x^2-9x+21)/(x^2-5x+6)+(x^2-3x+8)/(x^2-4x+3)2.{(x^2)/(x-y)}*{y/(x+y)}-{(x^4y)/(x^4-y^4)}÷{(x^2/x^2+y^2)^2}
x∧3+9x∧2+27x+28
(3x+9)/(4-4x+x^2)÷(x+3)/(x-2)
√x∧2-6x+9+√x∧2+2x+1(-1<x<3)
(2x∧3-3c∧2+4x+9)÷(x+1)
计算多项式除以多项式:(x∧3-3x∧2+4x-2)÷(x-1)
若x+x²=3,求x²÷(x∧4+x²+1)的值
(2x-6)/(x²-4x+4)÷(3-x)/(x²+6x+9)×(2-x)/(x+3)
计算(x^2-6x+9)÷(x-3)
数学题x-15/x^2-9-2x/9-x^2÷x/3+x
y=(x-1)÷2x-1y=x∧2(x ≤0)y=-x∧2(x≤0)y=-x∧2+2x+1(x≥1)
(x-1/x²+6x+9)÷(x²-1/x+3)=(x+1/2)
函数的值域,用两绝对值型1.f(x)=x∧2-x+1/x∧2+x+12.f(x)=x-x∧2/1+x∧23.f(x)=5/x∧2+4x+74.f(x)=x∧2+4x+9/x∧2+3x+55.f(x)=|x-2|+|x+3|6.f(x)=|x+1|-|2-x|
1.计算①(x-1-x+1分之8)×x+3分之x+1;②x+3y分之x-y÷x²+6xy+9y²分之x²-y²-x+y分之2y;③(x-x+1分之2x)÷x²-1分之x²-2x+1④(x²-2x分之x+2-x²-4x+4分之x-1)÷x³-2x²分之x-4