题目内容
(请给出正确答案)
[单选题]
()的出现标志着十进制计数法从整数扩展到了分数,使分数与整数在形式上获得了统一。
A.整数
B.分数
C.小数
D.自然数
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A.整数
B.分数
C.小数
D.自然数
第7题
A、You tell a friend the contents of this MOOC.
B、Bill obeys the orders of the officer during the military training (军训).
C、Lisa tosses a coin to decide whether she should choose to work in Beijing or Shanghai.
D、Mary shops online according to the ratings.
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