Question

☻

求解

log a =
logb=4,logc=2,計算
log b = 4, logc=-2, + log(abc=
2
100
是半

Answer 1

✨ 最佳解答 ✨

qn

a = 10^½
b = 10⁴
c = 10⁻²

⇒ abc = 10^(½+4-2) = 10^(5/2)
⇒ abc/100 = 10^½
⇒ log(abc/100) = ½