1 here are some red,white and black balls.the sum of the whi

来源：学生作业帮编辑：神马作文网作业帮分类：英语作业时间：2024/11/11 11:17:20

1 here are some red,white and black balls.the sum of the white and red balls is 10,and the sum of the red and black ones is 7,the black and the white ones is 5.how many balls of each colour?
2 a farmer has bought 123 chicks and 86 ducks .the total cost of chicks and ducks is 504 yuan.and we know the price of 3 chicks equals that of 2ducks.what's the price of each chick and duck?
3 a rope is cut off 4 times ,and each time a half part of the left is cut off,when the cutting comes to the 4th time,the length of the part left is 2 meters.how many meters is the rope?

1.white 4 red 6 black 1
2.chick 2 duck 3
3.16 meters
很有自信是正确答案.

1 here are some red,white and black balls.the sum of the whi Here are some blue,white and black balls.The sum of the whit Some of them is red,the others are black there are ten red balls and thirty yellow balls in the box.改 The tears of the red,yellow,balck,brown and white man are al here are some red sweaters and the green ones are（there）为什么填 THE BLACK AND WHITE MAZE OF THE PAINTED ZEBRA怎么样 The red and a black the trousers are (black and white)对划线部分提问 what color are the Black and white' baby's teeth the shop sells many clothes( )red,white,black and so on.填什么介 THE RED AND THE BLACK怎么样