martes, 23 de octubre de 2012

HACEMOS SUMAS CON REGLETAS

1 + 1 = 2
















2 + 1 = 3
















1 + 3 = 4
















2 + 2 = 4
















5 + 1 = 6














1 + 1 = 2
5 + 1 = 6
2 + 4 = 6














2 + 4 = 6
3 + 3 = 6
1 + 5 = 6














2 + 2 + 1 = 5
















1 + 2 + 1 + 1 = 5


















1 + 5 = 6















1 + 1 = 2
















1 + 1 = 2
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