水果名称 | 香蕉 | 苹果 | 草莓 | 梨 | 橘子 | 葡萄 |
质量/千克 | 300 | 1500 | 400 | 800 | 700 | 200 |
(1)如果一辆货车一次只能运1吨水果.该怎样选择使这辆货车刚好装满呢?(列出算式)
(2)用两辆载质量2吨的货车运这些水果,怎样装能一次全部运完?
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