User Manual
u
K26g5
6g1avw
•
u x
−
K21
av!)
x
−
w
•
•
•
•
A A
–1
= A
–1
A = E =
1 0
0 1
−
A =
a b
c d
A
–1
=
1
ad – bc
d–b
–c a
−≠
2 −1 3 19
1 1 −5 −21
0 4 3 0
1 2
3 4