P1 = a^2
P2 = 7^2
zatem
P = P1 - P2 = a^2 - 7^2 = ( a - 7)*( a + 7)
=========================================
ZALACZNIK
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
P1 = a^2
P2 = 7^2
zatem
P = P1 - P2 = a^2 - 7^2 = ( a - 7)*( a + 7)
=========================================
ZALACZNIK