题目内容

直接写出得数.
3
5
×
5
6
=
2
3
×
1
3
=
11+
2
7
=
1
2
-
1
6
=
3
4
=
0÷1.2=
2
5
÷
1
4
=
24÷
3
8
=
1
4
+
1
3
=
36×
1
6
=
1
7
×28
=
6
7
÷3
=
12÷
3
4
=
1
9
=
5
6
-
1
2
=
54÷
9
10
=
分析:(1)(2)(10)(11)约分计算;(3)整数做带分数的整数部分,在11后面写上分数即可;(4)(9)(15)同分即可;(5)(14)用整数与分子相乘的积做分子,分母不变;(6)0除以任何数都得0;(7)(8)(12)(13)(16)把除法改为乘法,再计算.
解答:解:
3
5
×
5
6
=
1
2
;             
2
3
×
1
3
=
2
9
;              11+
2
7
=11
2
7
;            
1
2
-
1
6
=
1
3

3
4
=6;                   0÷1.2=0;             
2
5
÷
1
4
=
8
5
;               24÷
3
8
=64;
1
4
+
1
3
=
7
12
;                 36×
1
6
=6;              
1
7
×28
=4;              
6
7
÷3
=
2
7

12÷
3
4
=16;                  8×
1
9
=
8
9
;              
5
6
-
1
2
=
1
3
;                54÷
9
10
=60.
点评:此题考查了多方面的知识,根据题目特点,灵活解答.
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