英语数学题--急死了!The students in Class3 are making kites.If all th
英语数学题--急死了!
The students in Class3 are making kites.If all the students take part in it,each of them makes 6 kites.If only boys do it,each of them makes 9 kites.If only girls do it,how many kites doseeach girl need to make?（要写解题过程）
The students in Class3 are making kites.If all the students take part in it,each of them makes 6 kites.If only boys do it,each of them makes 9 kites.If only girls do it,how many kites doseeach girl need to make?（要写解题过程）
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kjjjuvp7721 幼苗
共回答了1个问题 举报
设男生x人，女生y人，做的总风筝数为M。
M/(x+y)=6
M/x=9
6（x+y）=9x
可得：男生是女生的两倍 y=0.5x
那么M/y=2M/x=18
M/(x+y)=6
M/x=9
6（x+y）=9x
可得：男生是女生的两倍 y=0.5x
那么M/y=2M/x=18
1年前
1
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