(1)填一填。
个数/个 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | … |
应付金额/元 | 0 | 3 | 6 | 9 | 12 | … |
(3)把上表中个数和应付金额所对应的点描在方格纸上,再顺次链接。
(4)买8个这种水杯应付( )元。
(5)晶晶买这种水杯的个数是青青的4倍,她花的钱是青青的( )倍。
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