A farmer has some pigs and some ducks.There are 9 heads and 26 feet.how many pigs are there?
A farmer has some pigs and some ducks.There are 9 heads and
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解决时间 2021-12-25 08:33
- 提问者网友：王者佥
- 2021-12-24 16:28
最佳答案
- 五星知识达人网友：慢性怪人
- 2021-12-24 17:42
猪x 鸭y
x+y=9
4x+2y=26
x=4
y=5
全部回答
- 1楼网友：从此江山别
- 2021-12-24 18:27
谢谢解答
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