| 甲种图书 | 乙种图书 |
进价(元/本) | 16 | 28 |
售价(元/本) | 26 | 40 |
请解答下列问题:
(1)有哪几种进书方案?
(2)在这批图书全部售出的条件下,(1)中的哪种方案利润最大?最大利润是多少?
(3)博雅书店计划用(2)中的最大利润购买单价分别为72元、96元的排球、篮球捐给贫困山区的学校,那么在钱恰好用尽的情况下,最多可以购买排球和篮球共多少个?请你直接写出答案.
![](http://static.xuejinqu.com/images/y-prise.png)
同类型试题
![](http://static.xuejinqu.com/images/medal.png)
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)