admin百科知識 2022-02-13 2:20:43 x爲何值時代數式x-75-1與代數式2x-12+3互爲相反數?x爲何值時代數式x-7/5-1與代數式2x-1/2 3互爲相反數?網友廻答：匿名網友x-7/5-1 2x-1/2 3=0 兩邊乘102(x-7)-10 5(2x-1) 30=02x-14-10 10x-5 30=012x=-1x=-1/12 db標簽 生活常識_百科知識_各類知識大全»x爲何值時代數式x-75-1與代數式2x-12+3互爲相反數?
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