每当袋鼠上七个台阶,兔子就下三个台阶。 当袋鼠在第 56 个台阶时,兔子会在哪一个台阶?
请用微信扫码答题
You can see the discussion content after submitting the answer.
Leave a Comment
Cancel Reply
You must be
logged in
to post a comment.