Question

calculati suma a 3 nr. natutale care indeplinesc urmatoarele conditii:b*2=a.c*2=b.300+b=a

Answer 1

a=2b
b=2c   
a=300+b
300+b=2b=>b=300
b=c*2=>c=b/2=>c=300/2=>c=150
a=300+b=>a=300+300=>a=600
a+b+c=600+300+150=1050