点P为线段MN上一点,点Q为NP中点.若MQ=6,则MP+MN=( )
A:10
B:8
C:12
D:以上答案都不对
已知a、b是方程x2+x﹣2016=0的两个实数根,求a2+2a+b的值.
For ____Chinese people, it is a tradition to get together with their families during the Spring Festival.