Заполните пропуски: a) 1/3 = 4/? = 5/? = 6/? ( дроби ) б) 5/6 = 10/ ? = 20/? = 25/ ? в) 2/7 = 4/? = 6/ ? = 12/ ? г) 3/ 10 = 6/? = 15/? = 30/ ?
а) 1/3=4/12=5/15=6/18
b)5/6=10/12=20/24=25/30 в)2/7=4/14=6/21=12/42 г)3/10=6/20=15/50=30/100