问题 填空题
在横线里填上“>”、“<”或“=”.
7
9
______
7
10

5
15
______
3
8

5
8
______
7
12

3
7
______
1
3

5
8
______
3
10

2
5
______
4
7

3
1
5
______2
4
5

3
3
7
______3
12
13

1
5
9
______1
7
12
答案

(1)

7
9
7
10

(2)

5
15
=
15
45
3
8
=
15
40

5
15
3
8

(3)

5
8
=
15
24
7
12
=
14
24

5
8
7
12

(4)

1
3
=
3
9

3
7
1
3

(5)

5
8
=
15
24
3
10
=
15
50

5
8
3
10

(6)

2
5
=
4
10

2
5
4
7

(7)3

1
5
>2
4
5

(8)3

3
7
=3
12
28

3

3
7
<3
12
13

(9)1

5
9
=1
20
36
,1
7
12
=1
21
36

1

5
9
<1
7
12

故答案为:>,<,>,>,>,<,>,<,<.

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