题目内容

直接写出得数:
2
3
×
6
7
=
2
5
÷
3
10
=
4
5
+
1
10
=
4
9
-
1
3
=
2
5
+
1
2
=
3
7
-
1
6
=
9
10
×
5
7
=
5
12
÷
5
6
=
9
10
-
2
5
=
3
4
+
2
3
=
14×
2
21
=
2
5
×
1
6
=
分析:根据分数加、减、乘、除法的计算法则计算即可.
解答:解:
2
3
×
6
7
=
4
7
            
2
5
÷
3
10
=
4
3
           
4
5
+
1
10
=
9
10
           
4
9
-
1
3
=
1
9

2
5
+
1
2
=
9
10
            
3
7
-
1
6
=
11
42
            
9
10
×
5
7
=
9
14
         
5
12
÷
5
6
=
1
2

9
10
-
2
5
=
1
2
             
3
4
+
2
3
=
17
12
             14×
2
21
=
4
3
          
2
5
×
1
6
=
1
15

故答案为:
4
7
4
3
9
10
1
9
9
10
11
42
9
14
1
2
1
2
17
12
4
3
1
15
点评:完成本题要据计算法则认真分析算式中数据,快速准确得出答案.
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