Question

5:0,20,8:0,041:1,251:25​

Answer 1

5:0,2=25

0,8:0,04=20

1:1,25=0,8

1:25=0,04

Answer 2

$5 \div 0.2 = 25 \\ 0.8 \div 0.04 = 20 \\ 1 \div 1.25 = 0.8$

$1 \div 25 = 0.04$

Answer 3

It seems like you're providing a series of numbers separated by colons. However, it's not clear what you're asking or what you want me to do with these numbers. Could you please provide more context or clarify your question?