Question

Afla termenul necunoscut: 297 - 9 × 6 a = 412 9 × 5 plus 8 × 8 plus a = 214 la ultima scrie 214 va rog frumos scrieti;!!!!!!!!!!​

Answer 1

Răspuns:

297-9×6+a=412=297-54+a=412/+54=297+a=466/-297=a=159

9×5+8×8+a=214=45+64+a=214/-54=64+a=160/-64=96