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24÷9=
2.
?
6
2.
?
6
        32.1÷22=
1.45
?
9
?
0
1.45
?
9
?
0
     30.1÷33=
0.9
?
1
?
2
0.9
?
1
?
2
       7÷22=
0.3
?
1
?
8
0.3
?
1
?
8
分析:根据除法的笔算方法,可以进行计算,在这几个除法计算中,商都是无限循环小数,可以用循环节表示.
解答:解:24÷9=2.
?
6

32.1÷22=1.45
?
9
?
0

30.1÷33=0.9
?
1
?
2

7÷22=0.3
?
1
?
8

故答案为:2.
?
6
;1.45
?
9
?
0
;0.9
?
1
?
2
;0.3
?
1
?
8
点评:此题属于基础题目,考查无限循环小数的笔算方法.
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