问题 解答题
在横线里填上适当的数
0.45=
()
()
11
45
≈______(保留两位小数);
______-
7
8
=
1
8
______+
3
7
=
3
4
4
7
-______=
17
42
2=
()
4
=
16
()
14
3
=______
()
()
6
5
-
1
2
=______;
1085ml=______cm3=______dm3
56cm2=______dm2______÷______=
3
4
=
6
()
=
()
32
=______(小数).
答案

(1)0.45=

45
100
=
9
20

(2)

11
45
=11÷45≈0.24;

(3)(1)-

7
8
=
1
8

(4)(

9
28
+
3
7
=
3
4

(5)

4
7
-(
1
6
)=
17
42

(6)2=

(8)
4
=
16
(8)

(7)

14
3
=(4)
2
3

(8)

6
5
-
1
2
=(0.7);

(9)1085毫升=(1085)立方厘米=(1.085)立方分米;

(10)56平方厘米=(0.56)平方分米;

(11)(3)÷(4)=

3
4
=
6
(8)
=
(24)
32
=(0.75).

故答案为:

9
20
;0.24;1;
9
28
1
6
;8,8;4
2
3
;0.7;1085,1.085;0.56;3,4,8,24,0.75.

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