須列出步驟
6.3x3 - 3y÷2 = 15
thx
簡易代數一題
2011-05-12 7:27 am
回答 (2)
2011-05-12 9:07 am
✔ 最佳答案
6.3x3 - 3y÷2 = 1518.9 - 3y÷2=15
37.8 - 3y=30
37.8 - 30=3y
7.8=3y
y=2.6
參考: 自己
2011-05-13 8:54 am
(6.3x3 - 3y÷2)/3 = 15/3
6.3 - y÷2 = 5
y/2 = 6.3 - 5
y = 1.3 x 2
y = 2.6
6.3 - y÷2 = 5
y/2 = 6.3 - 5
y = 1.3 x 2
y = 2.6
收錄日期: 2021-04-20 00:39:17
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110511000051KK01240