(1)每天她剪下新鲜的玫瑰,每7朵一束.周一到周日各扎了多少束玫瑰?(按周一到周日的顺序填写)
(2)周六扎出的玫瑰是周一的几倍?
周1 | 周2 | 周3 | 周4 | 周5 | 周6 | 周日 | |
朵数 | 21 | 28 | 49 | 35 | 42 | 63 | 0 |
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