cost 15 to make the shoes, gave the boy 29 for change, and need 29 more to pay back the nieghborhood, so 15+29+29= 73. simple ,math problem. much easier than calculus~5.39.217.76, n( Y# z$ m/ G3 q% T& y/ }2 `# Z1 J
TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。0 r' x' A4 n2 H% P! v. \ D+ P& z" Q
[ 本帖最後由 carsonchan 於 2009-2-15 04:18 PM 編輯 ] |