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1.王奶奶养了一些鸡和兔,他们共有40个头和118只脚.王奶奶养的鸡和兔各多少只?列表试一试.
鸡 :(40) (38) (35) ( ) ( ) ( ) ( ) ( ) ( ) ( )
兔 :( 0 ) (2 ) (5 ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
脚数:(80)(84)(90)( ) ( ) ( )( ) ( ) ( ) ( )
只填表,
人气:343 ℃ 时间:2019-11-06 18:23:57
解答
鸡 :(40) (38) (35) ( 32 ) (28 ) ( 24 ) ( 21 )
兔 :( 0 ) (2 ) (5 ) ( 8 ) ( 12 ) ( 16 ) ( 19 )
脚数:(80)(84)(90) (96) (104 ) (112)(118 )
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