7. Let B be a 53-element subset of A = {1,2,3, . . . ,100}. Prove that there are two distinct elements x,y ∈ B whose sum is divisible by 11. 16 мая 2014, 00:49
Мем Вселенная
7. Let B be a 53-element subset of A = {1,2,3, . . . ,100}. Prove that there are two distinct elements x,y ∈ B whose sum is divisible by 11. 16 мая 2014, 00:49 Мем Вселенная
7. Let B be a 53-element subset of A = {1,2,3, . . . ,100}. Prove that there are two distinct elements x,y ∈ B whose sum is divisible by 11. 16 мая 2014, 00:49, Мем Вселенная