Question

Ayuda porfavor. Doy coronas ​

Answer 1

Si a vale 1:

$1\cdot(1+2)\\1\cdot3\\=3$

Si a vale 2:

$2\cdot(2+2)\\2\cdot4\\=8$

Si a vale 3:

$3\cdot(3+2)\\3\cdot5\\=15$

Si a vale 4:

$4\cdot(4+2)\\4\cdot6\\=24$