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:根據(jù)除法的筆算方法,可以進(jìn)行計(jì)算,在這幾個(gè)除法計(jì)算中,商都是無限循環(huán)小數(shù),可以用循環(huán)節(jié)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

故答案為:2.
?
6
;1.45
?
9
?
0
;0.9
?
1
?
2
;0.3
?
1
?
8
點(diǎn)評:此題屬于基礎(chǔ)題目,考查無限循環(huán)小數(shù)的筆算方法.
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