Question

sherry

請問這題怎麼算
（4，-40）

"
9
16. 10 (xi,yi) i = 1,2,3,,10¥¥¥* µx = 5, xi' =2xi yi'=3y;"
i=1,2,3,,10yi' x'y' = 9x' - 60 xi" 3xi +
5 -
My lo
"
yi" i = 1,2,3,···,10 yi" #x;" y = ax + b (a,b) =
"
14755
Збу
y = 9x' -60.
9=r-
20x
Mx=5
Mx = 10
=4
Mx=20
My =10°
My = 3 My = 30
5x
By
5x = 25x
By = 3 By
= 20
My" =
a=r
254
збу
5y" = 35x α=4
By" = 25y 20=80+b
17. 觀察圖中數字規律,若an 表示n×n 方格內數字的總和,若一般項
1
a
- (an³ +bn² + cn) ,則序對aho (1.3 +1).
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