Question

alfla valoarea necunoscutelor: (8×4+9×a)-6×8=5×4 (b-8×4+7×4):10=36​

Answer 1

Răspuns:

Salut !

1. (8×4+9×a)-6×8=5×4

32 + 9 x a - 48 = 20

32 + 9 x a = 68

9 x a = 36

=> a = 4

2. ( b-8×4+7×4):10=36​

(b - 32 + 28) = 360

b - 60 = 360

b = 360 + 60

b = 420

Sper ca te-am ajutat

#Albert1001