Here are some blue,white and black balls.The sum of the white and the blue balls is 10,and the sum
of the blue and black ones is 7,the black and the white ones is 5.How many balls of each color?
Here are some blue,white and black balls.The sum of the whit
答案:1 悬赏:30 手机版
解决时间 2021-07-24 14:43
- 提问者网友：寂寞撕碎了回忆
- 2021-07-23 20:51
最佳答案
- 五星知识达人网友：洒脱疯子
- 2021-07-23 21:33
一共有(10+7+5)/2=11
black 11-10=1
white 11-7=4
blue11-5=6
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