更新1:
我唔係要人幫我做功課呀.....但呢條數係人地問我 但諗唔到點解 abc係3個唔同數字..
唔識計的數學
回答 (2)
2006-11-28 8:04 pm
a = 0.875, b = -1.75, c = -7
3/7 = 1/ 0.875 + 1/ (-1.75) + 1/ (-7)
= 8/7 + (-4/7) + (-1/7)
= 8/7 - 4/7 - 1/7
= 3/7
3/7 = 1/ 0.875 + 1/ (-1.75) + 1/ (-7)
= 8/7 + (-4/7) + (-1/7)
= 8/7 - 4/7 - 1/7
= 3/7
參考: Me
2006-11-28 7:53 pm
咁你想問a等於幾多定b等於幾多定c等於幾多定abc都等於幾多呢？就咁打幾個數字就想有人地幫你做功課？你要懶都要懶得聰明D丫。
上面位仁兄,abc係唔同架,點可能全部都係7呀！
上面位仁兄,abc係唔同架,點可能全部都係7呀！
收錄日期: 2021-04-23 16:24:08
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061128000051KK01035