苏教版五年级下册数学练习与测试第110页答案
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1: 5/3 1 0 11/8 3/4 7/9
2: 2/3+7/9 =6/9+7/9 =13/9
1/2+4/5 =5/10+8/10 =13/10
3/4--2/3 =9/12--8/12 =1/12
13/6--11/8 =52/24--33/24 =19/24
3: 7/8--1/9--3/4 =7/8--6/8--1/9 =1/8--1/9 =1/72
6/7+2/3+1/3 =6/7+(2/3+1/3) =6/7+1 6 = 1------ 7
9/4--(3/4+2/3) =9/4--3/4--2/3 =3/2--2/3 =5/6
4: 解设…… x--1/3=5/6 x=1/3+5/6 x=7/6
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