四月 | 五月 | 六月 | 七月 | |
四(1)班 | 23 | 25 | 26 | 34 |
四(2)班 | 24 | 26 | 28 | 32 |
(1)四1班哪个月回收的易拉罐最多?哪个月回收的易拉罐最少?
(2)四2班四个月一共回收多少个易拉罐?
(3)四1班平均每月回收多少个易拉罐?
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