Question

Упростите отношения: А)24:84 б)15:9/20 в)7 1/9:2 2/27 г)10,4аb:1,3a

Answer 1

24/84=12*2/12*7=2/7

15:9/20=15*20/9=300/9=100*3/3*3=33 1/3

7 1/9:2 2/27=64/9:56/27=64/9*27/56=8*8*3*9/9*8*7=24/7=3 3/7

10,4ab:1,3a=10 4/10*ab:1 3/10*a=10 2/5*ab:13a/10=52ab/5*10/13a=13*4ab*5*2/5*13a=8b