Mathematics?

EE2004 Electronic Devices A
EE2005 Electronics A+
EE2011 Engineering Electromagnetics A+
GEK1517 Mathematical Thinking B+
MA2101 Linear Algebra II A

Look at my result, you know what I am bad in-Mathematics.

Both my Mathematics subjects got the lowest grade among all the subjects I took last semester. Lol should I laugh or should I cry?