Question

a=11 x n+3       b=4 x n+2                                                                                                                                                                        Care este rezultatul calculului (a+b) :5 ?                                                                                                                            

Answer 1

(a + b) ; 5 = (11n + 3 + 4n + 2) : 5 = (15n + 5) : 5 = 5 (3n + 1) : 5 = 3n + 1