October 2018 2 20 Report
I. Wyrażenie (a+3)2+(a5)22(a2)(a+2) jest równe A.4a2+42
B.4a+42
C.12
D.384aII. Wyrażenie x(z4)+y(z4) jest równe

A.xy(z4)
B.(x+y)(z4)
C.(x+y)(z+4)
D.(xy)(z-4)



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