More Mathematical Puzzles of Sam Loyd
★“我买鸡蛋时,付给杂货店老板 12
美分,”一位厨师说道,“但是由于嫌它们太小,我又叫他无偿地添加了两只鸡蛋给我。这样一来,每打(12
只)鸡蛋的价钱就比当初的要价降低了 1 美分。”厨师买了多少只鸡蛋?
萨姆·劳埃德(1841~1911),世界上少数几个伟大的数学趣题家之一,...
by HONORE DE BALZAC
Translated By Katharine Prescott Wormeley
CHAPTER I
On a cold morning in December, towards the close of the year 1612, a
young man, whose clothing betrayed hi...
by Thomas Holmes (Secretary of the Howard Association)
(1912)
*
PREFACE
I am hopeful that some of the experiences given in the following
chapters may throw a little light upon ...