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3.5×2÷3.5×2=l.
×
×
.(判断对错,对的打“√”,错的打“×”)
分析:要想知道此题的对错,应求出算是的结果,再进行比较判断.在计算时,应按运算顺序,从左往右依次运算.
解答:解:3.5×2÷3.5×2,
=7÷3.5×2,
=2×2,
=4;
故答案为:×.
点评:此题错误的原因在于没有按运算顺序进行计算.
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