(1)|2-π|+|π-4|=?(2)解方程:|x-1|=|2-3x|(3) 解方程:|x-3|=|5-2x|(4)已知|ab-2|与|b-1|互为相反数,求a+b的值
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![(1)|2-π|+|π-4|=?(2)解方程:|x-1|=|2-3x|(3) 解方程:|x-3|=|5-2x|(4)已知|ab-2|与|b-1|互为相反数,求a+b的值](/uploads/image/z/2818793-65-3.jpg?t=%EF%BC%881%EF%BC%89%7C2-%CF%80%7C%2B%7C%CF%80-4%7C%3D%3F%EF%BC%882%EF%BC%89%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9A%7Cx-1%7C%3D%7C2-3x%7C%283%29+%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9A%7Cx-3%7C%3D%7C5-2x%7C%EF%BC%884%EF%BC%89%E5%B7%B2%E7%9F%A5%7Cab-2%7C%E4%B8%8E%7Cb-1%7C%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0%2C%E6%B1%82a%2Bb%E7%9A%84%E5%80%BC)
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