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
47444444444444444444444tegaap 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
nice66666663526114976 发表于 2021-4-16 22:48:16
6666666666666pass39 发表于 2021-4-22 02:19:55
谢谢分享!