UID:312658
UID:18952
UID:255830
qsj98:可以是零,可以是小数,可以是负数。例: d9>k5! for i=-0.5,0.5,0.1 f+o%N print i 2&Hn%q) next (2018-08-03 09:00) 1P1"xT
UID:7752
UID:512