A:got in
B:reached
C:arrived
D:arrived at
——(西汉)司马迁《史记》
下列各数中,哪些属于正数?哪些属于负数?哪些属于整数,哪些属于分数?哪些属于有理数?
5,﹣2,﹣0.3,34,-23,5.7,-116,101,﹣17,0.