a farmer has some pigs and some ducks.there are 9 headsand 26 feet.有猪多少

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/30 02:41:40
a farmer has some pigs and some ducks.there are 9 headsand 26 feet.有猪多少

a farmer has some pigs and some ducks.there are 9 headsand 26 feet.有猪多少
a farmer has some pigs and some ducks.there are 9 headsand 26 feet.有猪多少

a farmer has some pigs and some ducks.there are 9 headsand 26 feet.有猪多少

猪有4只 鸭有5只

设猪为x只,鸭y只
猪和鸭的头一共九个所以
x+y=9
猪四只脚鸭两只脚,一共26只脚,所以
4x+2y=26
解方程组得x=4,y=5
所以猪4只,鸭5只

有四头猪和五只羊...
列2个算式验算..
4×4+2×5=26(脚)
4+5=9(头)

选择A:farmer has some pigs and some ducks.there are 9heads and26feer.A:farmer has some pigs and some ducks.there are 9heads and26feer.How many pigs are there?A.3 B.4 C.5 D.6 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 headsand 26 feet.有猪多少 The farmer has a ten.改为What句?可不可以改为:What does the farmer has? 英语问题(其实和数学有关)A farmer has some pigs and some ducks.There are 9 hands and 26 feet.How many pigs are there? The farmer has some ducks on his farm.(改为一般疑问句)( ) the farmer ( ) any ducks on his farm? The farmer has some ducks on his farm.(换种说法,句意不变) 英语翻译Once a farmer,forever a farmer. 13.How many _____ has the farmer got?A,field B,s13.How many _____ has the farmer got?A,field B,sheep C,mutton D,cow Being a farmer/As a farmerBeing a farmer,he has to get up early every morning.As a farmer,he has to get up early every morning.请问这两个句子有什么区别吗? The farmer has a few ( )A.cow B.horse Cpig D.sheep once a farmer My father is a farmer.he has lot to do in the fields every day. 首字母填词A wolf went to a farm.It a()some of the farmer's sheep.The farmer was so a()...A wolf went to a farm.It a___ some of the farmer's sheep.The farmer was so a___.He wanted to kill it with it with his gun.But the wolf ran a____.The the farmer feeds some grass to the farmer farmer My mother is a farmer.对a farmer提问