题目内容
135+97+65=(135+65)+97运用了加法交换律和结合律.
√
√
.(判断对错)分析:在算式135+97+65=(135+65)+97中,先是97与65交换位置,然后是135与65结合,因此运用了加法交换律和结合律.
解答:解:135+97+65=(135+65)+97,运用了加法交换律和结合律
故答案为:√.
故答案为:√.
点评:此题考查了学生对加法运算定律的掌握情况.
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