*+69=190 4422:*=402 503-*=377 23×*=900?

Question

*+69=190 4422:*=402 503-*=377 23×*=900?

Answer 1

121 + 69 = 190

4422 : 11 = 402

503 - 126 = 377

23 × 39,2 = 900