口味 | 绿豆馅 | 蓝莓馅 | 椰子馅 | 蛋黄馅 | 豆沙馅 |
人数 | 5 | 20 | 15 | 3 | 2 |
(1)二(8)班有多少人?
(2)最喜欢吃椰子馅的比最喜欢吃蓝莓馅的少多少人?
(3)如果给二(8)班的同学准备鼓浪屿馅饼,哪种馅的应准备最多?哪种馅的应准备最少?为什么?说说你的理由。
同类型试题
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
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