例如(Alrebra):
Five is 6 less than twice a number.
咁即係點????
咩係“ twice a number ” ?? [[急需!!!!!! =[
2006-10-15 1:34 am
回答 (2)
2006-10-15 1:44 am
✔ 最佳答案
Twice 可以解做「2次」, 「2倍」係數學上, Twice a number = 某數既2倍
跟返你既example, Five is 6 less than twice a number, 條程式寫出黎會係:
5 = 2X - 6
2X = 11
X = 11/5
參考: myself
2006-10-15 1:38 am
twice a number 係一個數乘2→( x+x)
所以條式係→5 + 6 = 2x
所以條式係→5 + 6 = 2x
收錄日期: 2021-04-23 20:59:17
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061014000051KK03932