A
sqrt(25*16)
20
sqrt(45*5)
15
sqrt(0.64*0.36)
0.48
sqrt(50) * sqrt(2)
10
sqrt(5) * sqrt(80)
20
sqrt(0.27) * sqrt(3)
0.9
sqrt(100/9)
10/3
sqrt(289/121)
17/11
sqrt(361/400)
19/20
sqrt(5/7) * sqrt(343/125)
7/5
sqrt(6/9) * sqrt(729/216)
3/2
sqrt(3/5) * sqrt(125/27)
5/3