Question

aflati nr-le a,b si c stiind ca sunt d.p: cu nr-le 5,7 si 12 ,iar suma lor este 264​

Answer 1

Răspuns:

{a,b,c)----->{5,7,12}

a/5=b/7=c/12=k

a=5k=5•11=55

b=7k=7•11=77

c=12k=12•11=132

5k+7k+12k=264

12k+12k=264

24k=264

k=264/24

k=11