6.3÷3.45=________÷345,________÷0.68=13.2÷68.

发布时间:2020-08-08 14:40:17

6.3÷3.45=________÷345,________÷0.68=13.2÷68.

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630    0.132
解析分析:根据商不变的性质:在除法里,被除数和除数同时扩大或缩小相同的倍数(0除外),商不变;据此解答.

解答:6.3÷3.45,
=(6.3×100)÷(3.45×100),
=630÷345,13.2÷68,
=(13.2÷100)÷(68÷100),
=0.132÷0.68;
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