If the permutation of the letters in the word SURE are numbered 1 through 24 in alphabetical order, what number is RUSE?
Math problem #2
所有跟帖:
• 不知permutation啥意思 -木木真木- ♂ (0 bytes) () 12/08/2018 postreply 18:31:10
• 查了https://www.merriam-webster.com/dictionary/permutation,彻底糊涂,谁教 -木木真木- ♂ (0 bytes) () 12/08/2018 postreply 18:40:39
• 12. 6个E打头的,6个R打头的。这是R打头的最后一个 -oops_yz- ♀ (0 bytes) () 12/08/2018 postreply 19:05:45