先展開
4+5*(x-2)+12=6x
4+5x-10+12=6x
再把5x移項到等式右邊
x=6
4+5*(x-2)+12=6x怎么算(帶過程)
4+5*(x-2)+12=6x怎么算(帶過程)
數(shù)學人氣:668 ℃時間:2020-07-06 00:14:40
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