搜狗1 发表于 2021-4-6 13:02:20
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秘书 发表于 2021-4-7 16:49:13
66666{:5_123:}{:5_123:}沉迷RPG 发表于 2021-4-8 15:19:08
谢谢楼主分享98765432111222 发表于 2021-4-8 16:19:15
6666666666666666Linber 发表于 2021-4-8 16:22:09
{:5_116:}{:5_116:}{:5_116:}{:5_116:}{:5_116:}{:5_116:}{:5_116:}tgaz 发表于 2021-4-21 19:50:04
感谢分享350103 发表于 2021-4-22 00:56:34
你翻翻麻烦吗发那个你搁哪呢1610346131 发表于 2021-4-22 01:14:05
66666666666666663049302424 发表于 2021-4-22 01:32:19
66666666661586547 发表于 2021-4-22 09:23:21
谢谢分享