1 | 10 | ||||||||
12 | 19 | ||||||||
23 | 28 | ||||||||
34 | 35 | 36 | 37 | ||||||
44 | 47 | ||||||||
54 | 57 | ||||||||
64 | 65 | 66 | 67 | ||||||
73 | 78 | ||||||||
82 | 89 | ||||||||
91 | 100 |
把个位是6的数字涂成红色,十位是1的数字涂成蓝色,个位和十位相同的两位数字涂成黄色。
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