выразить в процентах: 12/100;2/10;4/5;3/4. ​

12/100 = 100 * 12/100 = 1 * 12/1 = 12/1 = 12%

2/10 = 100 * 2/10 = 200/10 = 20%

4/5 = 100 * 4/5 = 400/5 = 80%

3/4 = 100 * 3/4 = 300/4 = 75%