YSITD_TG_Bot2 => #ysitd: <petjelinux>: lim_x->0 h(x)*h(x+k) 可以直接h(x)*h(x)喔? #5a0acead8616ce3e622b324f

YSITD_TG_Bot2 says to #ysitd

<petjelinux>: lim_x->0 h(x)*h(x+k) 可以直接h(x)*h(x)喔?

at Tue, Nov 14, 2017 7:08 PM