sedinalana

Verified answer

748
5>2
4>3
----------
20>6

8<10
1/4<1/2
------------
2<5
750
3<a<4
4<b<5
--------------
7<a+b<9

3<a<4
-5<-b<-4
--------------
-2<a-b<0

3<a<4
4<b<5
---------------
12<ab<20

3<a<4
1/5<1/b<1/4
------------------
3/5<a/b<1