英语知识要点卷智慧乐园Bill's grandma has eight animals.They are rabbies and chickens.They have 28 feet altogether.So Bill's grandma has ( ) chickens and ( ) rabbies

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英语知识要点卷智慧乐园Bill's grandma has eight animals.They are rabbies and chickens.They have 28 feet altogether.So Bill's grandma has ( ) chickens and ( ) rabbies
英语知识要点卷智慧乐园
Bill's grandma has eight animals.They are rabbies and chickens.They have 28 feet altogether.So Bill's grandma has ( ) chickens and ( ) rabbies

英语知识要点卷智慧乐园Bill's grandma has eight animals.They are rabbies and chickens.They have 28 feet altogether.So Bill's grandma has ( ) chickens and ( ) rabbies
题干 8个动物 兔子和鸡 28只脚
所以A*2+B*4=28 A+B=8 得方程 2个鸡6个兔子
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Bill's grandma has eight animals.They are rabbies and chickens.They have 28 feet altogether.So Bill's grandma has ( 2) chickens and ( 6) rabbies

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