X=??
更新1:
請解答！！！
中一數學題(20點)
回答 (3)
2010-11-01 2:48 am
參考: i am teacher
2010-11-01 2:27 am
2x-1/2-x+1/3=1/2
2x-x=1/2+1/2-1/3
2x-x=3/6+3/6-2/6
2x-x=4/6
*2x-1x=4/6
1x=4/6
x=4/6
*=注意
因為x可以=1x
so 2x-x=2x-1x=1x=x
答應: x=4/6
2010-10-31 18:29:26 補充：
x=2/3
我唔記得要簡化佢
2x-x=1/2+1/2-1/3
2x-x=3/6+3/6-2/6
2x-x=4/6
*2x-1x=4/6
1x=4/6
x=4/6
*=注意
因為x可以=1x
so 2x-x=2x-1x=1x=x
答應: x=4/6
2010-10-31 18:29:26 補充：
x=2/3
我唔記得要簡化佢
收錄日期: 2021-04-18 18:34:34
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101031000051KK01077