How many times can 19 be subtracted from 27?A.Once B.Twice C.Three D.None先翻译,在回答,最好说明一下为什么?

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How many times can 19 be subtracted from 27?A.Once B.Twice C.Three D.None先翻译,在回答,最好说明一下为什么?
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How many times can 19 be subtracted from 27?A.Once B.Twice C.Three D.None先翻译,在回答,最好说明一下为什么?
How many times can 19 be subtracted from 27?
A.Once B.Twice C.Three D.None
先翻译,在回答,最好说明一下为什么?

How many times can 19 be subtracted from 27?A.Once B.Twice C.Three D.None先翻译,在回答,最好说明一下为什么?
27能减19几次?
答案A 一次.
如果不允许负数的话,27-19=8,8就不能再减19了.