Odpowiedź:
Szczegółowe wyjaśnienie:
=2p^2-4/3p- 1/2p^2-1/3p=1 1/2 p^2 -5/3p=1 1/2p^2 -1 2/3p
= -5/4x-5/2y+9/4x-3/2y=4/4x-8/4y=x-2y
=1/4m -1/10+1/8m+1/10=2/8m+1/8m=3/8 m
=1/9a+1/8b -1/12a+1/8b=4/36a-3/36a+2/8b=1/36a+1/4b
=2/3u+1/2-1/6u-1/4=4/6u-1/6u+2/4-1/4=3/6u-1/4=1/2u-1/4
