问题描述：
为什么1到999的英文拼写中没有字母"A"
one,two,three,four,five,six,seven,eight,nine,ten．
eleven,twelve,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen．
twenty,thirty,forty,fifty,eighty sixty,seventy,ninety
多打一个9...faint
提示：只考虑A.
one,two,three,four,five,six,seven,eight,nine,ten．
eleven,twelve,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen．
twenty,thirty,forty,fifty,eighty sixty,seventy,ninety
多打一个9...faint
提示：只考虑A.
问题解答：
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