(1)如果每条船都坐满,可以怎样租船?
方案 | 大船(坐6人) | 小船(坐4人) | 总人数 |
① | ( )条 | ( )条 | |
② | ( )条 | ( )条 | |
③ | ( )条 | ( )条 | |
④ | ( )条 | ( )条 | |
⑤ | ( )条 | ( )条 | |
⑥ | ( )条 | ( )条 | |
⑦ | ( )条 | ( )条 |
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