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回答 (6)
2010-12-27 3:00 am
✔ 最佳答案
設 x 為該數x*25%=175
x*0.25=175
x=175/0.25
x=700
該數是 700
2010-12-27 11:04 am
該數是 700
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2010-12-27 5:22 am
175÷25%
=175÷25×100
=7×100
=700
=175÷25×100
=7×100
=700
2010-12-27 3:17 am
若一個數的25%是175,求該數
x(25%)=175
x=175/25%
x=700
x(25%)=175
x=175/25%
x=700
2010-12-27 2:57 am
如沒有計錯該數是700
2010-12-27 2:51 am
該數= 175X 25/100
=43.75
2010-12-27 13:50:06 補充：
sorry, look wrong the question (because I learn English maths)
it should be:
Let X be the number. 設 x 為該數
25%x= 175
x= 175/25%
x= 175/0.25
x= 700
Therefore, the number is 700. 該數是 700
=43.75
2010-12-27 13:50:06 補充：
sorry, look wrong the question (because I learn English maths)
it should be:
Let X be the number. 設 x 為該數
25%x= 175
x= 175/25%
x= 175/0.25
x= 700
Therefore, the number is 700. 該數是 700
參考: myself+calculator :), me+ caluculator
收錄日期: 2021-04-13 17:43:37
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101226000051KK00902