Melo.VVちゃん @ 2024-04-16 21:09:00
rt，有的公式不识别空格，不要 \Box 这样的
by angiing1222 @ 2024-04-16 21:11:30
$a\ \ \ b\ c\ \ \ \ d$by Melo.VVちゃん @ 2024-04-16 21:11:59
@angiing1222 thx
by Yue_ran @ 2024-04-16 21:32:22
@shin_chan_jiang
$a\quad b$
by Java21 @ 2024-04-17 19:32:25
$a \ \ \ \ \ \ \ \ b \ \ \ \ \ c$