问题
选择题
设a是最小的自然数，b是最大的负整数，c是绝对值最小的有理数，a，b，c三个数的和为 [ ]
A．﹣1
B．0
C．1
D．不存在
答案
答案：A
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设a是最小的自然数，b是最大的负整数，c是绝对值最小的有理数，a，b，c三个数的和为 [ ]
A．﹣1
B．0
C．1
D．不存在
答案：A
| 完形填空。 | |||
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