" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
0,01x-0,1x=-0,1+1
-0,09x=0,9
x=-10
b) obwód
2*(2x-8+x) = 4x-16+2x=6x-16