99、999、9999、99999、999999、9999999、99999999、999999999…一直到12个、怎

99、999、9999、99999、999999、9999999、99999999、999999999…一直到12个、怎样用英语表达?
samurisk 1年前 已收到1个回答 举报

maple1tt8 幼苗

共回答了15个问题采纳率:100% 举报

There are twelve numbers which are made up of 9,from the first number there are double 9,each of the next number will be added one more 9 till the twelfth.

1年前

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