半泽直树“加倍奉还!”
倍泽直树“半倍奉还!”
1/3直树“3倍奉还!”
×泽直树“1/×倍奉还!”
i泽直树“-i倍奉还!”
∞泽直树“不还”
A泽直树“(1/det(A))adj(A)倍奉还!”
√泽直树“平方奉还!”
∫泽直树“d/dx奉还!”
sin泽直树“arcsin奉还!”
exp泽直树“log奉还!”
https://mobile.twitter.com/2_wykipedia/status/1291989908622458881
https://cdn2.ettoday.net/images/2849/d2849070.jpg