搜索
Welcome to Toy Museum
Toys | Ages | Price | Promotion(促销) |
| 2～5 | 45 yuan | Buy 2 bears, get 1 fan for free(免费). |
| 5～8 | 8 yuan | 2 fans=15 yuan |
| 6～10 | 35 yuan | 2 toy cars=50 yuan |
| 8～12 | 16 yuan | / |
1．Two toy cars are fifty yuan.
2．I have forty yuan, and I can buy a bear.
3．Tim is two. A kite is a good present(礼物) for him.
4．“Price”指“价格，价钱”.
5．This is a snack bar.
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
