6-10岁儿童标准体重对照表
男 | 女 | |
体重(kg) | 体重(kg) | |
6岁 | 18~24 | 17~22 |
7岁 | 20~26 | 19~26 |
8岁 | 22~30 | 21~30 |
9岁 | 24~34 | 24~35 |
10岁 | 27~39 | 27~41 |
A.正常 | B.偏瘦 | C.偏胖 |
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