直接寫出得數(shù).
3
5
×
5
6
=
40×
5
8
=
1
5
÷0.6=
3
4
=
1-4÷9=
5
6
÷
5
8
=
5
6
+
3
8
=
1
a
-
1
b
=
b
a
=
1
5
×5÷5×
1
5
分析:本題根據(jù)分數(shù)的加法,減法,乘法,除法的運算法則計算即可;
解答:解:
3
5
×
5
6
=
1
2
          40×
5
8
=25              
1
5
÷0.6=
1
3
            9÷
3
4
=12
1-4÷9=
5
9
        
5
6
÷
5
8
=
4
3
                
5
6
+
3
8
=
29
24
             
1
a
-
1
b
=
b-a
ab

b
a
=0           
1
5
×5÷5×
1
5
=
1
25
點評:完成本題要細心分析式中數(shù)據(jù),能簡便計算的要簡便計算.
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