Question

纪

求解

3.設xyz≠0,且2°=3=6²,則x(-+-)+y(-+-)+2 2(
27=3=727=3①
京
(2²) = (6
(+) + x (² + ²) + = (²+1) = 3
yz
zx
xy
= (6²3)
(3)样,信号)
7

Answer 1

✨ Jawaban Terbaik ✨

Ny-Ålesund

二種作法供參考
https://www.clearnotebooks.com/zh-TW/questions/1548997