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(-5) ^ 2= 25
4 + (-6) - 7 x 2 ( 25: -5)
4 + (-6) - 7 x 2 x (-5)
4 + (-6) - 7 x (-10)
4 + (-6) + 70
(-2) + 70
68
Si tienes 2 ^ 6 manzanas en un canasto y relagas 2 ^ 4 ¿ cuantas manzanas tienes ahora?
2 ^ 6 - 2 ^ 4
(2) ^ 6-4
2 ^ 2
4