(x²/x-1)-x-1
=(x²/x-1)-(x+1)
=(x²-(x-1)(x+1))/(x-1)
=(x²-x²+1)/(x-1)
=1/(x-1)
分式的計算 (x²/x-1)-x-1
分式的計算 (x²/x-1)-x-1
數(shù)學(xué)人氣:332 ℃時間:2020-01-05 16:31:03
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