數學比的難題
回答 (5)
2007-04-13 11:03 pm
✔ 最佳答案
先找5,4,9的L.C.F.=180
設5a=4b=9c=180
a=180/5=36
b=180/4=45
c=180/9=20
a:b:c=36:45:20
2007-04-13 9:49 pm
a=36,b=45,c=20
2007-04-13 8:36 pm
a:b:c=1.25 : 1 : 2.25
*將最細果個除其他
*將最細果個除其他
2007-04-13 8:35 pm
a=36,b=45,c=20
5X36=180,4X45=180,9X20=180
36:45:20
5X36=180,4X45=180,9X20=180
36:45:20
收錄日期: 2021-04-13 16:29:27
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070413000051KK01841