... Republication, systematic copying, or multiple reproduction of any part of this material is permitted only under license from the Chiuchang Mathematics Foundation. Requests for such p[r] ...
... Republication, systematic copying, or multiple reproduction of any part of this material is permitted only under license from the Chiuchang Mathematics Foundation. Requests for such p[r] ...
... (A) 2 (B) 3 (C) 4 (D) 5 (E) 6 20. The increasing sequence of positive integers 1, 2, 4, . . . has the property that each term from the third onwards is the next positive integer which is not equal to the sum of any two ...
... Republication, systematic copying, or multiple reproduction of any part of this material is permitted only under license from the Chiuchang Mathematics Foundation. Requests for such p[r] ...
... Republication, systematic copying, or multiple reproduction of any part of this material is permitted only under license from the Chiuchang Mathematics Foundation. Requests for such p[r] ...
... Republication, systematic copying, or multiple reproduction of any part of this material is permitted only under license from the Chiuchang Mathematics Foundation. Requests for such p[r] ...
... Republication, systematic copying, or multiple reproduction of any part of this material is permitted only under license from the Chiuchang Mathematics Foundation. Requests for such p[r] ...
... Republication, systematic copying, or multiple reproduction of any part of this material is permitted only under license from the Chiuchang Mathematics Foundation. Requests for such p[r] ...
... 27. 從一個邊長為 y cm 的大正方形中,在角落、邊上與中心分別切除邊長 為 x cm 的小正方形做成一個墊子,如圖所示。 若 x 、y 都是質數,且這個墊子外圍與內圍總周長的 cm 數值等於這 個墊子面積的 cm 2 數值。請問這個墊子可能的最小面積是多少 cm 2 ? 28. 在右圖中,每個圓圈有三個或六個相鄰的圓 ...