题目
题型：解答题难度：一般来源：不详
（1）（-121.4）+（-78.5）-（-8
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（2）3
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答案
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（2）3
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核心考点
举一反三
（1）（-1.2）+[1-（-0.3）]；
（2）（-0.5）-（-3
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