题目内容

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÷______=0.4=
8
()
=
()
5
=______%
(12)0.75:0.2=(化成最简单的整数比)
(1)3.6÷1.2=3,
(2)
2
3
+
1
2
=
7
6

(3)
7
10
×
5
14
=
1
4

(4)
1
2
+
1
2
=1,
(5)8+
4
3
-0.4
=8
14
15

(6)0.6×0.5=0.3,
(7)
5
9
-
2
9
=
1
3

(8)
4
15
÷
28
45
=
3
7

(9)
3
5
×
1
6
×
5
7
=
1
14

(10)
10
9
-
1
6
-
5
6
=
1
9

(11)2÷5=0.4=
8
20
=
2
5
=40%
(12)0.75:0.2=15:4.
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