解答

解答

求解步骤
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将 到右边
将 para o lado esquerdo
两侧不相等

作图

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流行的例子

3/5 x+2/5-3/10 = 1/3-1/15+1/6 x2(8-x)=3x-53+n=-28化简-7a^2+3a-9-5a^2-6a-4因式分解 2n^2+16n+12