if you take away half of a number , the number becomes nothing , what's the number?A 8 B 7 C 2 D 4 ,选哪一个,为什么?

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if you take away half of a number , the number becomes nothing , what's the number?A 8 B 7 C 2 D 4 ,选哪一个,为什么?
if you take away half of a number , the number becomes nothing , what's the number?
A 8 B 7 C 2 D 4 ,选哪一个,为什么?

if you take away half of a number , the number becomes nothing , what's the number?A 8 B 7 C 2 D 4 ,选哪一个,为什么?
A8.Only 8 has the same half of a selected number .If you take away the same half of 8 neither the top of it nor the below of it.There is 0.0 is zero and zero means nothing..