[tex] \geqslant resolucao \\ \\ \\ x + x + 1 + x + 2 = 60 \\ \\ 3x = 60 - 3 \\ \\ 3x = 57 \\ \\ x = \frac{57}{3} \\ \\ x = 19 \\ \\ resposta \: > \: numeros \: 19 \: . \: 20 \: \: e \: \: 21 \\ \\ > < > < > < > < > < > > [/tex]