Saved Bookmarks
| 1. |
(x+y+z)²+(x+y/2+z/3)²-(x/2+y/3+z/4)² |
|
Answer» (x+y+z)²+(x+y/2+z/3)²-(x/2+y/3+z/4) =x+y+z²+x+y/2+z/3²-x×2-y×3-z×4 =x+y+z²/2+z/3²×2×3×4 =x+y+z²/2+z/432 |
|