你好：
10x²-40x=60x²-4x-6=0（x-2）²=10x-2=±根號(hào)10x1=根號(hào)10+2x2=2-根號(hào)10
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10x²-40x=60怎么解?
10x²-40x=60怎么解?
數(shù)學(xué)人氣：115 ℃時(shí)間：2020-09-05 20:08:17
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