19. Four regular hexagons surround a square with a side length 1,
each one sharing an edge with the square, as shown in the figure on the right.
The area of the resulting 12-sided outer nonconvex polygon can be
written as , where m , n , and p are integers
and n is not divisible by the square of any prime.
What is m+n+p?Ans: _______。
18. 設f0(x)=x+| x-100 |-| x+100 |,並對於所有的n≥1,令 。試問有多少個 x 滿足=0?答:_______。
17. 多項式f(x)=,g(x)=x4-x3+2x2-x+1求f(x)除以g(x)的餘式為_______
5. 不存在。 (A)O(B)X
3. 若已標準化二維數據(ℎ1, k1),(ℎ2, k2),… , 的最適合直線為y = rx,則二維數據(k1, ℎ1),(k2, ℎ2),… , 的最適合直線為y = 。(A)O(B)X