1樓:愛佳佳的恐龍. ^^log(a)b=log(s)b/log(s)a (括號裡的是底數)設log(s)b=m,log(s)a =n,log(a)b=r,則s^m=b,s^n=a,a^r=b,.
確定! 回上一頁