x+1⼀x=2+1⼀2的解是x1=2,x2=1⼀2;x+1⼀x=3+1⼀3 的解是x1=3,x2=1⼀3;

2024-11-26 19:55:53
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回答1:

变形为(x-1)+1/(x-1)=(a-1)+1/(a-1)
理解清楚意思。 方程解为x1=a或x2=a/(a-1)