Question

Ma poate ajuta cineva cu ex 1 si 2?? Va rog mult! Dau coroana

Answer 1

Răspuns:

1.

x + 2/3 = 2 • 75/100

x + 2/3 = 75/50

x + 2/3 = 3/2

x = 3/2 - 2/3

x = (9-4)/6

x = 5/6

2.

(x+3)•5 = 80:4

x+3 = 20:5

x+3 = 4

x=4-3

x=1