這是高一的題目(1) log 10 a = b 理論: 10的b次方= a (2) log 10 30 = log30 理論: 只要底數是10都能省(3)log 30 = log ( 3*10 ) = log3 log10 = 0.4771 1 = 1.4771 ...
確定! 回上一頁