There are 23 duks and pigs,and the total number of legs of ducks ang pigs is 74.How many duks and pigs representatively?再给个答案,

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There are 23 duks and pigs,and the total number of legs of ducks ang pigs is 74.How many duks and pigs representatively?再给个答案,

There are 23 duks and pigs,and the total number of legs of ducks ang pigs is 74.How many duks and pigs representatively?再给个答案,
There are 23 duks and pigs,and the total number of legs of ducks ang pigs is 74.
How many duks and pigs representatively?再给个答案,

There are 23 duks and pigs,and the total number of legs of ducks ang pigs is 74.How many duks and pigs representatively?再给个答案,
共有23只鸭子和猪,总共有74条腿,那么鸭子和猪分别有几只?
设x个鸭子,y个猪
x+y=23
2x+4y=74
计算得:9只鸭子,14只猪

鸡兔同笼

一共有23只鸭子和猪, 合起来有74只脚。 鸭子和猪各有几只?
9只鸭,14只猪

鸭子和猪的总数为23只,鸭子和猪的腿的总数为74,。问,鸭子和猪分别有多少只?
答案:鸭子9只,猪14只。