6×5-1/2x=18 3/4x-1/3x=5/2 x-6/13x=2/5 x＋5/7x=8/9×3/2

学习时间:2026-11-10 11:16:37 阅读：7971

6×5-1/2x=18 3/4x-1/3x=5/2 x-6/13x=2/5 x＋5/7x=8/9×3/2 6×5-1/2x=18 3/4x-1/3x=5/2 x-6/13x=2/5 x＋5/7x=8/9×3/2

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2026-11-10 11:16:37

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6×5-1/2x=18 -0。5x=18-30-0。5x=-12x=243/4x-1/3x=5/2 5/12x=5/2 x=6x-6/13x=2/5 7/13x=2/5 x=26/35x＋5/7x=8/9×3/212/7x=4/3x=7/9祝你学习愉快