數學應用題
2007-02-14 7:48 pm
A boy spent one-third of his money in one shop and one-fourth of the remainder in the second shop and one-half of what was still remainder in a third shop. What fraction of his original money was left?
回答 (5)
2007-02-14 8:05 pm
✔ 最佳答案
Let the boy has $M originallyThe fraction of money was left
= M * (1 - 1/3) * (1 - 1/4) * (1 - 1/2)
= M * 2/3 * 3/4 * 1/2
= M/4
Answer: 1/4 of the original money was left.
2007-02-15 8:20 pm
1/ 12
2007-02-14 8:00 pm
(1-1/3) - ( 1- 1/4 ) - ( 1- 1/2)
=1/12
=1/12
2007-02-14 7:55 pm
(1-1/3) X 1/4 X 1/2
= 2/3 X 1/4 X 1/2
= 1/ 12
= 2/3 X 1/4 X 1/2
= 1/ 12
2007-02-14 7:54 pm
(1-1/3) - ( 1- 1/4 ) - ( 1- 1/2)
收錄日期: 2021-04-29 21:58:18
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