sonalisa
发表于 2021-4-3 22:06:32
goooooooooooooooood~！
墨墨大师
发表于 2021-4-4 15:07:01
谢谢谢谢
ywsxyy
发表于 2021-4-4 15:49:45
。。。。。。。。。。。。。。。。。。。。。。。。。。
jijunjie
发表于 2021-4-4 18:21:46
啊啊啊啊，感谢楼主分享
不明白
发表于 2021-4-5 22:40:54
666666666666666
搜狗1
发表于 2021-4-6 13:00:25
span style="white-space:normal;text-transform:none;word-spacing:0px;float:none;color:rgb(51,51,51);font:16px/28px 'zuoyeFont_mathFont', 'Microsoft Yahei', '宋体', sans-serif;letter-spacing:normal;background-color:rgb(255,255,255);text-indent:0px;">解:（1）由U=XY,得MUX=Y,MUY=X,根据消费者均衡条件得Y/2=X/3</span><br style="white-space:normal;text-transform:none;word-spacing:0px;color:rgb(51,51,51);font:16px/28px 'zuoyeFont_mathFont', 'Microsoft Yahei', '宋体', sans-serif;letter-spacing:normal;background-color:rgb(255,255,255);text-indent:0px;"/><span style="white-space:normal;text-transform:none;word-spacing:0px;float:none;color:rgb(51,51,51);font:16px/28px 'zuoyeFont_mathFont', 'Microsoft Yahei', '宋体', sans-serif;letter-spacing:normal;background-color:rgb(255,255,255);text-indent:0px;">考虑到预算方程为2X+3Y=120</span><br style="white-space:normal;text-transform:none;word-spacing:0px;color:rgb(51,51,51);font:16px/28px 'zuoyeFont_mathFont', 'Microsoft Yahei', '宋体', sans-serif;letter-spacing:normal;background-color:rgb(255,255,255);text-indent:0px;"/><span style="white-space:normal;text-transform:none;word-spacing:0px;float:none;color:rgb(51,51,51);font:16px/28px 'zuoyeFont_mathFont', 'Microsoft Yahei', '宋体', sans-serif;letter-spacing:normal;background-color:rgb(255,255,255);text-indent:0px;">解得X=30,Y=20</span><br style="white-space:normal;text-transform:none;word-spacing:0px;color:rgb(51,51,51);font:16px/28px 'zuoyeFont_mathFont', 'Microsoft Yahei', '宋体', sans-serif;letter-spacing:normal;background-color:rgb(255,255,255);text-indent:0px;"/><span style="white-space:normal;text-transform:none;word-spacing:0px
蓝爱酱
发表于 2021-4-9 22:22:25
47444444444444444444444
tegaap
发表于 2021-4-16 16:39:31
啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦
雷吉欧
发表于 2021-4-16 18:49:20
nice6666666
3526114976
发表于 2021-4-16 22:48:16
6666666666666