不等式|x+2|+|2x-1|>3.答案有4个选项:1 (负无穷,—2.5)U(1,正无穷); 2 (—2.1);3 (—2.0);4(0,1)
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![不等式|x+2|+|2x-1|>3.答案有4个选项:1 (负无穷,—2.5)U(1,正无穷); 2 (—2.1);3 (—2.0);4(0,1)](/uploads/image/z/2544743-47-3.jpg?t=%E4%B8%8D%E7%AD%89%E5%BC%8F%7Cx%2B2%7C%2B%7C2x-1%7C%3E3.%E7%AD%94%E6%A1%88%E6%9C%894%E4%B8%AA%E9%80%89%E9%A1%B9%EF%BC%9A1+%EF%BC%88%E8%B4%9F%E6%97%A0%E7%A9%B7%EF%BC%8C%E2%80%942.5%EF%BC%89U%EF%BC%881%EF%BC%8C%E6%AD%A3%E6%97%A0%E7%A9%B7%EF%BC%89%EF%BC%9B+2+%EF%BC%88%E2%80%942.1%EF%BC%89%EF%BC%9B3+%EF%BC%88%E2%80%942.0%EF%BC%89%EF%BC%9B4%EF%BC%880%2C1%EF%BC%89)
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