水獭君 发表于 2021-4-6 12:55:08
。。。。搜狗1 发表于 2021-4-6 12:55:22
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:0px779580746 发表于 2021-4-6 13:17:43
666666666666sai0326 发表于 2021-4-6 13:32:48
这个好看吗?谢谢分享浅浅 发表于 2021-4-6 13:37:51
突突突突突突突突突突欧阳亦语 发表于 2021-4-6 13:49:42
感谢楼楼分享chenyyyy 发表于 2021-4-6 15:13:34
6666666666666666月落花花 发表于 2021-4-7 13:53:00
感谢分享AAA123A 发表于 2021-4-7 14:51:05
1111111111111zxc142163 发表于 2021-4-7 14:55:56
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