Question

va rog frumos!!!!!e pentru azi!!!!!!ex 5!!!!!!!​

Answer 1

Răspuns:

a)9/5 • 7/9 - 4/9 =

7/5 - 4/9 =

(63-20)/45 =

43/45

b)(3/7 • 63/8 - 5/2) • 8 =

(27/8 - 5/2) • 8 =

7/8 • 8 =

7

c)7/72 • 20/17 • 17/7 =

5/18

d)27/8 : (4/35 - 1/20) • 4/15 =

27/8 • 140/9 • 4/15 =

14