一(yí)片(piàn)一(yí)片(piàn)又(yòu)一(yí)片(piàn),两(liǎng)片(piàn)三(sān)片(piàn)四(sì)五(wǔ)片(piàn),六(liù)片(piàn)七(qī)片(piàn)八(bā)九(jiǔ)片(piàn),香(xiāng)山(shān)红(hóng)叶(yè)红(hóng)满(mǎn)天(tiān)。
1,用“○”圈出儿歌里的数字。(重复的只圈一个)
2.这首儿歌写的是香山的__________。
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