多项选择题

A.832修约到“百”数位的0.2单位修约为830
B.-930修约到“百”数位的0.2单位修约为-920
C.60.25修约到“个”数位的0.5单位修约为60.0
D.-60.75修约到“个”数位的0.5单位修约为-61.0