數學(fast,easy)
回答 (4)
2011-04-02 11:21 pm
✔ 最佳答案
75-g = 2075-g+g = 20 + g
75 - 20 = 20 + g -20
55 = g
g = 55
參考: hope i can help you
2011-04-02 11:34 pm
75-g = 20
75-g+g = 20 + g
75 - 20 = 20 + g -20
55 = g
g = 55
加油!!唔明可以問我
2011-04-02 20:32:05 補充：
check :
75 - 55
=20
75-g+g = 20 + g
75 - 20 = 20 + g -20
55 = g
g = 55
加油!!唔明可以問我
2011-04-02 20:32:05 補充：
check :
75 - 55
=20
參考: ME
收錄日期: 2021-04-13 17:54:01
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110402000051KK00618