中一數,1元1次方程快!!!要步驟
回答 (3)
2007-07-11 11:48 pm
✔ 最佳答案
A x (1+32%) x 80% = 1.9008A x (100% +32%) x 80% = 1.9008
A x 132% x 80% = 1.9008
A x 1.32 x 0.8 = 1.9008
A = 1.9008 / 1.32 / 0.8
A = 1.8
2007-07-11 11:50 pm
解答如下:
設某數是y
Y x 1.32 x 0.8 = 1.9008
1.056Y = 1.9008
Y = 1.9008 / 1.056
Y = 1.8
希望幫到你啦^^
設某數是y
Y x 1.32 x 0.8 = 1.9008
1.056Y = 1.9008
Y = 1.9008 / 1.056
Y = 1.8
希望幫到你啦^^
參考: myself
2007-07-11 11:46 pm
(X+0.32X)*1.8=1.9008
X=0.8
X=0.8
收錄日期: 2021-04-13 00:45:19
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070711000051KK02453