Question

a+b+c=45. Daca din ,,a'' scadem 3,din,,b'' scadem 5 ,iar din,,c''scadeam 7 ,cele terei numere devini egale.CARE SUNT CELE TREI NUMERE? VA ROG AJUTATIMA URGENT

Answer 1

a+b+c=45
a-3=b-5=c-2
a=b2
c=b-2
b-2+b+b+2=45
b=15
a=13
c=17
a+b+c=66
a=2b
c=6+a+b=6+3b
2a+b+6+3b=66
6b=60
b=10
a=20
c=36

Answer 2

a+b+c=45 45:3=15 a=15 b=15 c=15 15+3=18 15+5=20 15+7=22 a-22=15 b-20=15 c-22=15 Sau:22-15=3 20-15=5 22-15=7