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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
If The World Is A Mess Then Create The Kind Of World You’d Want To Live In .
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2 weeks ago
If The World Is A Mess Then Create The Kind Of World You’d Want To Live In .
94 views
2 weeks ago
If The World Is A Mess Then Create The Kind Of World You’d Want To Live In .
![If A= [[2,-1],[-1,2]], B= [[1,4],[-1,1]], Is (A+B)^2 = A^2 + 2AB + B^2 ?](http://i.ytimg.com/vi/KmuSH-fjLaU/mqdefault.jpg "If A= [[2,-1],[-1,2]], B= [[1,4],[-1,1]], Is (A+B)^2 = A^2 + 2AB + B^2 ?")
![If A = [[-1,2],[3,4]] and B = [[2,-3],[5,1]] , show that AB≠BA](http://i.ytimg.com/vi/Yx1gf8nhNMU/mqdefault.jpg "If A = [[-1,2],[3,4]] and B = [[2,-3],[5,1]] , show that AB≠BA")
![If A = [[2,-1],[3,2]] and B = [[0,4],[-1,7]] , find (3A^2 - 2B + I).](http://i.ytimg.com/vi/0DhveErBAHA/mqdefault.jpg "If A = [[2,-1],[3,2]] and B = [[0,4],[-1,7]] , find (3A^2 - 2B + I).")