题目内容

把下列分数用除法算式表示出来.
2
7
=______÷______;
28
17
=______÷______;
31
6
=______÷______;
1
11
=______÷______.
(1)
2
7
=2÷7;
(2)
28
17
=28÷17;
(3)
31
6
=31÷6;
(4)
1
11
=1÷11.
故答案为:2,7,28,17,31,6,1,11.
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