A:3:7
B:4:6
C:7:3
D:5:5
已知直线l1:3mx+(m+2)y+1=0,直线l2:(m﹣2)x+(m+2)y+2=0,且l1∥l2,则m的值为( )
下列计算,正确的是
She likes ____ ____, but she ____ like ____.