a{[(p+q)/2]%}²

问题描述:

a{[(p+q)/2]%}²

a{[(p+q)/2]%}²
=a*[(p+q)*1/2%]²
=a*[(p+q)*1/200]²
=a* [(p+q)²/40000]
=a*(p²+2pq+q²/40000)
=(ap²+aq²+2apq)/40000
不知道你能看懂不!

(ap^2+2apq+aq^2)/40000

(ap^2+aq^2+2apq)/40000