Question

Ajutor repede vă rog....ex. 16​

Answer 1

si imediat il calculez si pe b). sper sa iti fie de ajutor...

Answer 2

a)

[5/2 - 24/25 • (25-6)/16] • 5/6 =

(5/2 - 24/25 • 19/16) • 5/6 =

(5/2 - 57/50) • 5/6 =

(125-57)/50 • 5/6 =

68/50 • 5/6 =

34/30 =

17/15

b)

27/10 • [3/2 - 5/6 • (9-1)/15] =

27/10 • (3/2 - 5/6 • 8/15) =

27/10 • (3/2 - 4/9) =

27/10 • (27-8)/18 =

27/10 • 19/18 =

171/60 =

57/20