化简比. 12 : 16 : 4.5 : 2.7 10 : 6 查看更多

 

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化简比.
12:16         
3
4
:1
1
8
           4.5:2.7         10:6.

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(2012?白云区)直接写出得数.
(1)3.6÷1.2=
(2)
2
3
+
1
2
=
(3)
7
10
×
5
14
=
(4)
1
2
+
1
2
=
(5)8+
4
3
-0.4
=
(6)0.6×0.5=
(7)
5
9
-
2
9
=
(8)
4
15
÷
28
45
=
(9)
3
5
×
1
6
×
5
7
=
(10)
10
9
-
1
6
-
5
6
=
(11)2÷
5
5
=0.4=
8
(   )
=
(   )
5
=
40
40
%
(12)0.75:0.2=(化成最简单的整数比)

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