14*10 + 14*4 = 140 + 56 = 不用說了
所有跟帖:
• 14*14 = 2^2*7^2 = 4(50-1) = 200-4 =196. Divide and conqu -十具- ♂ (0 bytes) () 07/05/2023 postreply 13:03:41
• 14*14 = 2^2*7^2 = 4(50-1) = 200-4 =196. Divide and conqu -十具- ♂ (0 bytes) () 07/05/2023 postreply 13:03:41