👤

Pe multimea R se considera legea x*y=x+3y-1
Calculati (1*2)*(3*0)
steluta e compus, nu inmultire


Răspuns :

21*2=1+3·2-1=6
(3*0)=3+3·0-1=2
*6*2)=6+3·2-1=11