添“口”歌
“门”字添“口”“问”你早,“未”字添“口”“味”道好,
“下”字添“口”“吓”一跳,“土”字添“口”鱼“吐”泡,
“几”字添“口”“叽叽”叫,“合”字添“口”“哈哈”笑,
“刀”字添“口”发号“召”,“欠”字添“口”“吹”号角。
还有啥字能添“口”,你来说说好不好?
1.读儿歌,学新字。门+口=




刀+口=




2.请你也照样子说说吧。
“斤”字添“口”“

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

