(1)该小学一至三年级共有5个班,每班征集了26份手抄报,四至六年级也有5个班,每班征集了34份手抄报,学校一共征集了多少份手抄报?
(2) 四年级2个班共有60名同学参加了“最美阅读者”活动,一共上传了864张照片,其中四(1)班有28名同学参加,平均每人上传了16张照片,四(2)班平均每人上传了多少张照片?
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