Zapisz w jak najprostrzej postaci:
a) (a+b)-(2a-b)-(a-2b)
b) (3x-y+1)-(x+y)+(y-x)
c) -(kx+ny)-(3kx+2ny)+(5kx-3ny)
d) (2ab+a+3)-(3ab-a+3)
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a) a+b-2a+b-a+2b=-2a+4b
b)3x-y+1-x-y+y-x=x-y+1
c)-kx-ny-3kx-2ny+5kx-3ny=kx-6ny
d)2ab+a+3-3ab+a-3=-ab+2a
Licze na naaj ;))