Question

Afla trei numere consecutive, stiind ca suma lor este 144.

Answer 1

Numerele consecutive au forma x,x+1,x+2
x+x+1+x+2=144
3x+3=144
3x=141
x=47
Si numerele sunt 47,48,49

Answer 2

$\text{Notam asfel: }\\x\\x+1\\x+2\\---\\3x+3=144\\3x=144-3\\3x=141\\x=141:3\\\bold{x=47} \\ \\\text{Revenim la notatie:}\\x=\ \textgreater \ 47\\x+1=\ \textgreater \ 48\\x+2=\ \textgreater \ 49$