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Mr. Piay
bpi:uno32 + Arduino: PONG (JOYSTICK + 8x8 LED MATRIX)
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Hoang Giang Share
Janusz
办美国文凭加拿大文凭澳洲文凭英国文凭学位证毕业证成绩单
Veinas bọt EPE máy móc
Wendy Ye
![Find 3A +2B if A=[4 2 1, 3 0 2] and B=[1 2 -3, 3 2 4]](http://i.ytimg.com/vi/fcmvOD50_gI/mqdefault.jpg "Find 3A +2B if A=[4 2 1, 3 0 2] and B=[1 2 -3, 3 2 4]")
![Let A+2B=[[1,2,0],[6,-3,3],[-5,3,1]] and 2A-B=[[2,-1,5],[2,-1,6],[0,1,2]], then find tr(A) -tr(B)](http://i.ytimg.com/vi/reEw9swZaUI/mqdefault.jpg "Let A+2B=[[1,2,0],[6,-3,3],[-5,3,1]] and 2A-B=[[2,-1,5],[2,-1,6],[0,1,2]], then find tr(A) -tr(B)")
![Find A if 3A-2B+C=0 where B=[3 4, 1 0] and C=[2 3, 1 2].](http://i.ytimg.com/vi/nwfHx8DJgzw/mqdefault.jpg "Find A if 3A-2B+C=0 where B=[3 4, 1 0] and C=[2 3, 1 2].")
