题目
(556.3-X)×0.617+(342.9-Y)×0.307=59.94 请帮我算下XY的值,XY均是整数
提问时间:2021-04-22
答案
这题有意思,哈哈(556.3-X)×0.617+(342.9-Y)×0.307=59.94343.2371-0.617x+105.2703-0.307y=59.94388.5674=0.617x+0.307y假设S=0.617x+0.307y只能用excel假设x=0,然后求y的值,看看能不能遇到整数了,假设xy都...
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