1) 3k-(5k-18)=12-(18-2k) 2) 7k-12/5=13 4) 1/3(h+9)=1/6-1/2(h+11)
5) 5+3r-9r+4 6) 11-5y+9=-5 7) 5m-12m+6=27 8) 14-4b-6b=-44
9) 5q=26+10q-6
收錄日期: 2021-04-23 21:59:19
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080104000051KK02372