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3.6÷0.5=7…
0.1
0.1
,35.12÷18的商用循环小数的简便记法表示是
1.95
?
1
1.95
?
1
分析:①计算小数除法,先把除数扩大若干倍变成整数,除数扩大几倍,要使商不变,被除数也要扩大几倍,这样处理,余数也要扩大几倍,要求原来的余数,再把余数缩小几倍;
②循环小数的简便记法为:把循环节写一遍,在循环节的首位和末位的上面各记一个小圆点.
解答:解:①3.6÷0.5=7…0.1,
②35.12÷18的商用循环小数的简便记法表示是:1.95
?
1

故答案为:0.1,1.95
?
1
点评:此题考查小数除法的计算方法和循环小数的简便记法.
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