Mathematics
Senior High
請問這題為什麼不能用算幾
7-418,
183.設x、y為正數且9x+4y=100,「的最大值為 桑
At
9x=4y=50
y=25
所求: 2500x18
x325.
吾
x+y
4y²
2
L
2500236XY
25002x4
36
Answers
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