(0.15*1.23)/1 = (x*20)/2?
回答 (3)
2017-01-18 12:01 pm
✔ 最佳答案
(0.15 * 1.23) / 1 = (x * 20) / 20.15 * 1.23 = x * 10
10 x = 0.1845
x = 0.01845
2017-01-18 1:00 pm
20x = 0.369
x = 0.01845
x = 0.01845
2017-01-18 12:00 pm
0.15 * 1.23 = 10x
Divide both sides by 10. Done.
Divide both sides by 10. Done.
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20170118035744AAS47xg