小学数学题目(英文版)
来源:百度知道 编辑:UC知道 时间:2024/09/20 21:42:51
A fruit seller had some fruits .3/5 of the fruits were apples and the rest were oranges.He sold 2/3 of the apples and 1/4 of the oranges.He had 40 apples and oranges left.
(a)How many apples did he sell altogether?
(b)How many fruits did he have at first?
(a)How many apples did he sell altogether?
(b)How many fruits did he have at first?
一个水果商有若干水果,水果中的3/5是苹果剩下的是桔子,他卖了苹果的2/3桔子的1/4。他仍有苹果和桔子40个,
问他总共卖了多少苹果
问他原先总共有多少水果
总共有水果:
40/{3/5 *(1-2/3) +(1-3/5)*(1-1/4)}=80
苹果有:80*3/5=48
卖了的苹果:48*2/3=32
所以
(a)32
(b)80
at first 共有80个 里面有48个apple,和32个orange!卖了32个apple,8个orange~~~呵呵:)
a 32
b 80
一开始理解错了拉