Question

найдите частное ))))))))

Answer 1

2/5:3/10=2/5*10/3=4/3=1 1/3
7/9:14/15=7/9*15/14=5/6
4/21:6/7=4/21*7/6=2/9
7/45:5/9=7/45*9/5=7/25

Answer 2

пять шестых!!!!!!!!!!!!!!!!!........!!.!!!...