问题
填空题
方程
|
答案
根据根式的意义可得：2x+1≥0，并且x-2≥0，
所以x≥2．
因为方程为2x+1
=0，x-2
所以解得：x=2．
故答案为：2．
搜题请搜索小程序“爱下问搜题”
方程
|
根据根式的意义可得：2x+1≥0，并且x-2≥0，
所以x≥2．
因为方程为2x+1
=0，x-2
所以解得：x=2．
故答案为：2．
Passage One
According to the passage, how do stores and companies use the psychology of money spending to promote business
A．They stress the practical value of the things they sell.
B．They try to improve the quality of the things they sell.
C．They stress the non-practical value of the things they sell.
D．They try to diversify the functions of the things they sell.