2)
5(2k-7)=23-(3+k) k=?
3)
3y/8 - y/2=0 y=?
6)
Mary has 100 $1 and $0.5 coins.There is altogether $64. Find the number of $1 and $0.5 coins. (列式)
收錄日期: 2021-04-16 14:46:03
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120729000051KK00098