September 2018 1 37 Report
A= a2+2a-3
B= a2-3a
C= -5a2+2a=1
D= a2+3a-5
Oblicz:
a)A-D-B
b)A+A+B+B
c)D-A-B
d)A-B-C-D
e)-C-C-C

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