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B: Yes, please. I want ten bananas. How much are they?
A: They are twenty yuan.
B: The apples are very nice. I want eight apples.
A: OK! They're sixteen yuan.
B: I want four pears, too.
A: Yes, they are three yuan. Here you are.
B: Thank you.
(1). How much are the bananas?
_______________________________
(2). How much are the apples?
_______________________________
(3). How much are the pears?
_______________________________
(4). How many apples do you want?
_______________________________
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
