7k+8= -(24-k)
k=???
Maths
2015-01-09 4:47 am
回答 (3)
2015-01-09 7:07 pm
✔ 最佳答案
7k+8= -(24-k)7k+8=-24+k
7k-k=-24-8
6k=-32
k=-32/6
k=-16/3
2015-01-13 2:59 am
7k+8= -(24-k)
7k+8=k-24
6k=-32
k=-16/3
7k+8=k-24
6k=-32
k=-16/3
2015-01-09 4:59 am
7k+8=-24+k
7k-k=-24-8
6k=-32
k=-5 3/1
7k-k=-24-8
6k=-32
k=-5 3/1
收錄日期: 2021-04-15 17:51:50
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150108000051KK00097