题目内容
40.96÷6.4=________÷64 0.78÷0.3÷0.2=0.78÷________.
409.6 0.06
分析:①根据被除数和除数同时缩小(或都扩大)相同的倍数(0除外),商不变;
②一个数连续除以两个数等于这个数除以这两个数的积.
解答:40.96÷6.4=409.6÷64;
0.78÷0.3÷0.2=0.78÷0.06,
故答案为:409.6;0.06.
点评:此题考查了商的变化规律及除法的简便运算.
分析:①根据被除数和除数同时缩小(或都扩大)相同的倍数(0除外),商不变;
②一个数连续除以两个数等于这个数除以这两个数的积.
解答:40.96÷6.4=409.6÷64;
0.78÷0.3÷0.2=0.78÷0.06,
故答案为:409.6;0.06.
点评:此题考查了商的变化规律及除法的简便运算.
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