jiguangyi
发表于 2021-4-5 00:47:31
ddsdsddeewwww
aszp
发表于 2021-4-5 15:30:15
666666666666
搜狗1
发表于 2021-4-6 13:02:36
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
LiWeiDa
发表于 2021-4-22 02:01:36
贵不贵哦
momomomomo
发表于 2021-4-22 07:27:41
感谢分享
xiyu573
发表于 2021-4-22 07:46:32
{:5_119:}{:5_119:}
000829
发表于 2021-4-22 07:48:38
6666666666
15760037610
发表于 2021-4-22 23:08:32
会很久很久
徐重阳
发表于 2021-4-23 00:36:20
666666666666666
呛呛秋
发表于 2021-4-23 00:37:13
谢谢分享