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4.7÷0.9=5…
0.2
0.2
,7.595959…用简便方法记作
7.
?
5
?
9
7.
?
5
?
9
分析:(1)根据小数除法计算法则找出余数,或者用4.7-5×0.9即可;
(2)找出循环节59,在首尾两个数字上面点上原点即可.
解答:解:4.7÷0.9=5…0.2,7.595959…用简便方法记作 7.
?
5
?
9

故答案为:0.2,7.
?
5
?
9
点评:此题考查了用小数除法的逆运算找余数,及如何用简便形式表示循环小数:找出循环的数字,上面点上原点即可.
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