A:FeCl3
B:HNO3
C:KOH
D:Ag
把下列各数填在相应的横线上:﹣1,0.2,﹣15,3,﹣2.1,0,15;负分数是____ ;整数是____ .
kǎi____
jìn____
kān____
xù____
A.凯
B.絮
C.晋
D.堪