男子1分钟踢毽子成绩
41 | 36 | 52 | 42 | 47 |
26 | 32 | 45 | 48 | 68 |
60 | 45 | 50 | 35 | 56 |
20 | 40 | 55 | 33 | 52 |
56 | 39 | 60 | 47 | 62 |
54 | 43 | 59 | 56 | 58 |
60 | 34 | 50 | 42 | 48 |
45 | 55 | 58 | 36 | 66 |
(2)你认为四年级二班同学1分钟踢毽子成绩,男生的成绩好还是女生的成绩好?并说明理由。
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