2a+2a=?

2006-11-14 11:42 pm
2a+2a=?

回答 (11)

2006-11-14 11:48 pm
✔ 最佳答案
4a,2time
2006-11-16 3:12 am
2a+2a=4a
2006-11-15 12:37 am
2a+2a=?
4a
2006-11-15 12:22 am
2a+2a=?
2a+2a=4a
2a+2a=2ax2
所以2+2=4a
參考: 我,我,我!!!!!
2006-11-15 12:12 am
2a+2a
=(2+2)a
=4a
參考: ME
2006-11-15 12:02 am
2a+2a=4a
2006-11-14 11:59 pm
2a+2a=?
2+2=4
...2a+2a=4a
參考: me
2006-11-14 11:57 pm
你是否想問 a=?
如果係 a= -4
2006-11-14 11:51 pm
2a+2a=4a
2006-11-14 11:47 pm
2a+2a=4a
2006-11-14 11:45 pm
4a .................


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