" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
3 x (4 + 2 (21-20) + 1 ]
3 x ( 4 + 2 (1) + 1 ]
3 x [ 4 + 2 + 1]
3 x [7]
21 ↔ respuesta
3 [4+2+1]
3(7)
=21