有两种盒子,一种能装8块积木,另一种能装4块,现在有40块积木怎样装比较合适?
(1)如果全部装在8块的盒子中可用几个盒子?
(2)如果全部装在4块的盒子中可用几个盒子?
(3)如果搭配装,有几种方案?填一填下边的表格。
40块 | 8块用盒 | 1 | 2 | 3 | 4 | 5 | 0 | …… |
4块用盒 | | | | | | | …… |
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