1.58 | 1.50 | 1.56 | 1.48 | 1.62 | 1.57 | 1.58 | 1.47 |
1.35 | 1.75 | 1.62 | 1.28 | 1.62 | 1.20 | 1.59 | 1.48 |
1.74 | 1.54 | 1.45 | 1.36 | 1.67 | 1.67 | 1.77 | 1.37 |
(1)将成绩整理到统计表中。
成绩/米 | 少于1.30 | 1.30~1.49 | 1.50~1.69 | 大于1.69 |
人数(人) |
(2)四(3)班男同学跳远最好成绩是
(3)根据相关规定,立定跳远达标成绩是1.30米,四(3)班男生有
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