👤

8+1[8+8×(8+8×k)]+308=900​

Răspuns :

Explicație pas cu pas:

8+1[8+8×(8+8×k)]+308=900

8+1[8+8×(8+8×k)] = 900 - 308

8+1[8+8×(8+8×k)]= 592

8+8×(8+8×k) = 592 - 8

8 + 8 × ( 8+ 8 ×k) = 584

8× ( 8+8×k) = 584 - 8

8×( 8 + 8 ×k) = 576

8+8×k = 576 : 8 = 72

8×k = 72 - 8 = 64

k = 64 : 8 = 8