rezolvati ecuatia va rog priama cifra e x a doua e x+1 si a 3 e x.3 x+x+1+x.3=61

Răspuns :

x+x+1+3x=61
5x= 60
x= 60/5
x= 12
x+x+1+x*3=61
x+x+3x=61-1
5x=60
x=60:5
x=12 (primul nr)
12+1=13 (al doilea nr)
12*3=36 (al treilea nr)