傣族女子爱穿有袖无袖短上衣，喜欢戴贝壳、兽骨等饰品。（ ）
A: Can I help you?
B: Yes. The green scarf is very pretty. How much is it?
A: It's $100.
B: It's too expensive. What about the sunglasses?
A: They're $20.
B: They're cheap. I like them.
将算式19+110+111+112的计算结果用循环小数表示是多少？
﹣5a=a2+3a﹣2
