题目内容

把下面的算式转化成除数是整数的除法.
①O.56÷0.25=________÷25
②0.3402÷3.78=________÷378
③1÷0.16=________÷________
④5.2÷0.325=________÷________.

56    34.02    100    16    5200    325
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:①O.56÷0.25,
=(O.56×100)÷(0.25×100),
=56÷25;
②0.3402÷3.78,
=(0.3402×100)÷(3.78×100),
=34.02÷378;
③1÷0.16,
=(1×100)÷(0.16×100),
=100÷16;
④5.2÷0.325,
=(5.2×1000)÷(0.325×1000),
=5200÷325;
故答案为:56,34.02,100,16,5200,325.
点评:此题考查商不变性质的运用:在除法里,被除数和除数只有同时扩大或缩小相同的倍数(0除外),商才不变.
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