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解方程:x+(1/x)=c+(1/c). (*) 这是初中代数第三册(51页)的一道普通习题,易解得x_1=c,x_2=1/c.对此方程可作如下变式训练。
Solve the equation: x+(1/x)=c+(1/c). (*) This is a common exercise in junior high school algebra (Volume 51). Easily solved x_1=c, x_2=1/c. This equation can be trained as follows.