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72:6+13-13×2+1 Va rog mult!!!

Răspuns :

(72:6)+13-(13×2)+1=

12 + 13 - 26 + 1=

= 25 - 26 + 1

= 26 - 26

= 0

(72:6)+13-(13×2)+1 = 0

72:6+13-13×2+1 = 12 + 13 - 26 + 1 = (12+13+1) -26 = 26 - 26 = 0