2x+1/4-1=x-10x+1/12,救命,计算啊
2x+1/4-1=x-10x+1/12,救命,计算啊
函数y=ln(3-x)+1/√x+2的定义域 (救命的题目啊.
计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1
∫(4,1)1/√x(1+x)dx 救命啊
如何计算 (x+1)(x+2)(x+3)(x+4)
计算(X-1)(X-2)(X-3)(X-4)
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分式计算:(x+2)/(x^2-2x)-(x-1)/(x^2-4x+4)
x+2/x²-2x-x-1/x²-4x+4计算
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