求教數學題5？
回答 (4)
2007-02-21 8:30 pm
✔ 最佳答案
2X-4=4 2x=4+4
2x=8
x=8÷2
x=4
2007-02-22 12:19 am
2X-4 = 4
First : 4+4=8
Second : 2x ? =8
Third : 2x4=8
so X=4
First : 4+4=8
Second : 2x ? =8
Third : 2x4=8
so X=4
2007-02-21 8:32 pm
2X-4=4
2X=4+4
2X=8
X=8/2
X=4
2X=4+4
2X=8
X=8/2
X=4
2007-02-21 8:29 pm
2X-4=4
2x = 8
x = 4
2x = 8
x = 4
收錄日期: 2021-04-23 20:59:43
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https://hk.answers.yahoo.com/question/index?qid=20070221000051KK01590