
直接写得数。6/11÷6 20÷4/5 6/13÷6/7 5/9÷5/6 7/9÷9 15÷25/3 2/3x8/9 1/4÷0.2
展开全部
6/11÷6 =1/11
20÷4/5=25
6/13÷6/7= 7/13
5/9÷5/6=2/3
7/9÷9 =7/81
15÷25/3 =9/5
2/3x8/9 =16/27
1/4÷0.2=5/4
20÷4/5=25
6/13÷6/7= 7/13
5/9÷5/6=2/3
7/9÷9 =7/81
15÷25/3 =9/5
2/3x8/9 =16/27
1/4÷0.2=5/4
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