Question

va rog mult de tot.Am nevoie rapiddddd.Dau puncte multe si coroana​

Answer 1

Răspuns:

Explicație pas cu pas:

a)

21/16*4/7 - 11/9*3/10 = 3/4 - 11/30 = 45/60 - 22/60 = 23/60

c)

9/25*5/6 + 27/10*(-4/15) = 3/10 - 18/25 = 15/50 - 36/50 = -21/50

e)

27/8*(4/45) - 35/48*(-6/7) = 3/10 + 5/8 = 12/40 + 25/40 = 37/40