һǧһʮһ(3/3ҳ)
˿־壬ҸղŶƲסԼ
Χũһ⣬һ͵:
Ӵˮ̵֡˶֪庣֮һ仰:
ԸЩߣҲҪһˡ
λҲ
ܿ¬װʵ
ҡҡͷ:
ҲȻĴ˵ǿ϶
ֹ⣬¬װ:
лĹ£ֵһƣҪʲô
һ٬װһҲ
˹üͷ:a
Ůబ
Ҫһ䣬బк־пܵ¾ңֻþ
û뵽зѾԱߵźЦһ䡣
¬װŶһ:
ԭҲϲŮ
ǶԣѾ㹻ˣûҪںôһ˺־ǵľøķɡ
ðɡλãƱһŮٸҼһĿڡ
Ŀڡˮվơ
ΪʲôҲһŮղҸģһСӵԭԭ˵һҴ¬װÿ춼ڽµӲˣҿóǶǸµٻлɡ
ƤΪѺһƣʲô鶼¬װӦ
¬װֲ:
ΪʲôԼһԶһŮ
Ϊ˵Dz֪òšƤӵЦǽĹ¿ˣѵ˱Ȼʧȥá
ðɡ¬װʼžƱһɫľƵԼǰ
ѯ:
û⣬ֻҪǮ㹻֧ЩƵķá¬װ벻⡣
һŮ˵ͷ
ƤʱЦ:
ˣСǴˣһҪԶһ㡣
ǰܶ˴Ҳû뿪룬֮ǰʮ꣬ôȥҽԺʬţҽԺɽµĴգҪһ硣a
شʵ
ͷ˶
Ƥ˵ͷ:
a½ݣa½ݡ½aվѾ½ݡ
ȻŰܶ¬װҲǰܶȡġ
ԭʲôҶˡ¬װ˿ڿబƣЦ˵
ԼĹȥô¶һҲԱ߳ܡ,μ:,