

﹙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﹚如果回收10个易拉罐可以制成2个新易拉罐,四﹙2﹚班四个月回收的易拉罐可以制成几个新易拉罐?
﹙4﹚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

