a maths questions

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用戶19946

2007-10-13 4:08 am

(1) r+6/3=r/2+7/6 r=?
(2) 1/9(h+9)=5/6-1/2(h+7) h=?

請列出過程，thanks

更新1:

要做F.1的Math功課,please help

更新2:

use to do homework,please,help

回答 (1)

Lok

2007-10-13 5:03 am

✔ 最佳答案

r + 6/3 = r/2 + 7/6
6r + 12 = 3r + 7
3r = 7 - 12
3r = -5
r = -5/3

1/9(h +9) do you mean 1 over [9* (h+9)] or do you mean 1/9 than the whole thing times (h+9)????

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收錄日期: 2021-04-23 22:34:30
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