40X-2=20=?
回答 (4)
2006-12-05 7:28 am
40x=20+2
40x=22
x=11/20
40x=22
x=11/20
2006-12-05 7:10 am
40X-2=20
40x/2 = 22/2
20x=11
x=11/20
x=0.55
40x/2 = 22/2
20x=11
x=11/20
x=0.55
2006-12-05 7:03 am
x=11/20
2006-12-04 23:05:08 補充：
我諗你個問題係40X-2=20 40x=22x=11/20
2006-12-04 23:05:08 補充：
我諗你個問題係40X-2=20 40x=22x=11/20
收錄日期: 2021-04-12 18:54:32
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061204000051KK04970