皮皮学，免费搜题
登录
搜题
【简答题】
已知集合A={（x，y）|x 2 +mx-y+2=0}和B={（x，y）|x-y+1=0，0≤x≤2}，A∩B≠?，求实数m的 取值范围．
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The Electrolux Trilobite 2.0 robot vacuum cleaner ______.
A.
asks permission before moving from room to room.
B.
uses lasers to help it avoid objects.
C.
is programmable.
【单选题】Which of the following is NOT TRUE according to the passage?
A.
Diners existed before fast-food restaurants.
B.
The menu included more food than sandwiches and coffee.
C.
Burger King is a fast-food restaurant.
D.
Sandwiches became smaller.
【简答题】f___ n. an area where people have never lived before, that not much is known about, esp. in the western US before the 20th century
相关题目：