Question

(c:7)afla suma numarelor a b c daca :(85-a)×2=10
(45:b):3=10
(c:7):8=56

Answer 1

(85-a)x2=10

85-a=10:5

a=85-5

a=80

(45:b):3=10

45:b=10x3

b=45/30

b=3/2

(c:7):8=56

c:7=56x8

c=56x8x7=56x56

c=3136

Succes!

Answer 2

Salut,

(85-a)×2=10 85-a=10:5 a=85-5 a=80 (45:b):3=10 45:b=10×3 b=45/30 b=3/2 (c:7):8=56
c:7=56×8 c=56×8×7 c=56×56 c=3136

BY 7646