{4分之2減T} 减T = 5 分 之 2T 減 3
T=幾多(請寫出步驟)
中一數學問題!COME~
2007-12-09 4:59 am
回答 (2)
2007-12-09 5:09 am
✔ 最佳答案
(20乘4分之2減20T)減20T=20乘5分之2T減20乘310－２０Ｔ－２０Ｔ＝１０８－６０
－４０Ｔ＝１０８－６０－１０
－４０Ｔ＝３８
Ｔ＝負２０分之１９
2007-12-09 5:19 am
( (2/4) -T)-T=2T-(3/5)
(2/4)-T-T=2T-(3/5)
(2/4)+(3/5)=2T+2T
(10/20)+(12/20)=4T
22/20=4T
(22/20)x(1/4)=T
So: T=11/40
(2/4)-T-T=2T-(3/5)
(2/4)+(3/5)=2T+2T
(10/20)+(12/20)=4T
22/20=4T
(22/20)x(1/4)=T
So: T=11/40
參考: ME
收錄日期: 2021-04-27 16:34:20
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071208000051KK03986