比较下列各式的大小.【初一数学】(1)|-2|+|3|与|-2+3|(2) |-1/2|+|-1/3|与|-1/2-1/3|(3)|0|+|-5|与|0-5| 1.通过对上述各式的比较,请你分析,归纳出当a,b为有理数时,|a|+|b|与|a+b|的大小关系.2.根据上一题
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![比较下列各式的大小.【初一数学】(1)|-2|+|3|与|-2+3|(2) |-1/2|+|-1/3|与|-1/2-1/3|(3)|0|+|-5|与|0-5| 1.通过对上述各式的比较,请你分析,归纳出当a,b为有理数时,|a|+|b|与|a+b|的大小关系.2.根据上一题](/uploads/image/z/14998433-41-3.jpg?t=%E6%AF%94%E8%BE%83%E4%B8%8B%E5%88%97%E5%90%84%E5%BC%8F%E7%9A%84%E5%A4%A7%E5%B0%8F.%E3%80%90%E5%88%9D%E4%B8%80%E6%95%B0%E5%AD%A6%E3%80%91%EF%BC%881%EF%BC%89%7C-2%7C%2B%7C3%7C%E4%B8%8E%7C-2%2B3%7C%282%29+%7C-1%2F2%7C%2B%7C-1%2F3%7C%E4%B8%8E%7C-1%2F2-1%2F3%7C%EF%BC%883%EF%BC%89%7C0%7C%2B%7C-5%7C%E4%B8%8E%7C0-5%7C+1.%E9%80%9A%E8%BF%87%E5%AF%B9%E4%B8%8A%E8%BF%B0%E5%90%84%E5%BC%8F%E7%9A%84%E6%AF%94%E8%BE%83%2C%E8%AF%B7%E4%BD%A0%E5%88%86%E6%9E%90%2C%E5%BD%92%E7%BA%B3%E5%87%BA%E5%BD%93a%2Cb%E4%B8%BA%E6%9C%89%E7%90%86%E6%95%B0%E6%97%B6%2C%7Ca%7C%2B%7Cb%7C%E4%B8%8E%7Ca%2Bb%7C%E7%9A%84%E5%A4%A7%E5%B0%8F%E5%85%B3%E7%B3%BB.2.%E6%A0%B9%E6%8D%AE%E4%B8%8A%E4%B8%80%E9%A2%98)
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