Question

Fara a efectua calculele, aratati ca:
a) 13 l a , unde a=83*26*542-65*18*29
b) 37 l a , unde a=74*1647+175*111
c) 19 l a , unde a=57*2439+95*143
DAU COROANAAA!!!

Answer 1

a)13|83•2•13•542-5•13•18•29; 13|13(83•2•542-5•18•29). b)37|37•2•1647+175•37•3; 37|37(2•1647+3•175). c)19|19•3•2439+19•5•143; 19|19(3•2439+5•143)