班级 物品 | 三(1)班 | 三(2)班 | 三(3)班 | 三(4)班 | 三(5)班 | 合计 |
电池/节 | 107 | 107 | 107 | 94 | 513 | |
塑料瓶/个 | 120 | 130 | 110 | 120 | 120 |
(1)三(5)班共收集了多少节电池?
(2)三年级共收集了多少个塑料瓶?
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