108 | 115 | 125 | 109 | 98 | 135 | 112 | 146 | 101 | 139 |
110 | 121 | 131 | 134 | 114 | 123 | 92 | 128 | 105 | 116 |
125 | 142 | 97 | 115 | 125 | 102 | 132 | 108 | 119 | 109 |
某班同学身高统计表
| 低于100 | 100~109 | 110~119 | 120~129 | 130~139 | 高于或等于140 |
画“正”字 | | | | | | |
人数 | | | | | | |

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

