学号 | 仰卧起 坐(个) | 学号 | 仰卧起 坐(个) | 学号 | 仰卧起 坐(个) | 学号 | 仰卧起 坐(个) |
4101 | 37 | 4105 | 35 | 4109 | 38 | 4113 | 45 |
4102 | 41 | 4106 | 38 | 4110 | 35 | 4114 | 36 |
4103 | 29 | 4107 | 42 | 4111 | 31 | 4115 | 34 |
4104 | 32 | 4108 | 40 | 4112 | 34 | 4116 | 29 |
用计算器计算四年级一班部分同学平均仰卧起坐的个数
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