Question

alflati nr a,b,c stiind ca sunt i.p cu nr 2,5,8. si a+b+c=33

Answer 1

a/2=b/5=c/8=k  rezultatul rapoartelor

a/2=k  a=2k
b/5=k  b=5k
c/8=k  c=8k

2k+5k+8k=33
15k=33
k=33:15=2,2
a=2k=2*2,2=4,4
b=5k=5*2.2=11
c=8k=8*2,2=17,6

proba:4,4+11+17,6=33