Question

punctul a, b si c. va rog

Answer 1

a)

2/5:4/15=2/5*15/4=3/2

b)

11/9:22/21=11/9*21/22=7/6

c)

3/10:6/70=3/10*70/6=7/2

Answer 2

a) 2/5:4/15=2/5*15/4=3/2

b)11/9:22/21=11/9*21/22=21/18

c) 3/10:6/70=3/10×70/6=7/2