题目内容
Amy has 12 objects(物体)in her pencil-box.
one third of the objects are pens.
one half of the objects are pencils.
The rest(剩余部分)of the objects are rubbers.
How may rubbers does Amy have in her pencil-box?
[ ]
A.
2
B.
3
C.
4
D.
6
答案:A
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