直接写得数.![]() =________; | =________; | =________; |
=________; | =________; | =________; |
1 =________; | =________; | =________; |
5- =________. |







0
分析:(1)同分母的分数相加减,分母不变,分子相加减;
(2)异分母的分数相加减,先通分,化成同分母的分数,再相加减.
解答:
解: + = = ,
=3 , = = ; = ; =![]() = , | ||||
1 = ; = + = , =0, | ||||
5- = - = . |
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.点评:此题主要考查了分数加、减法的计算方法.

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