" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
720:8=90-grusze
720-90=630
odp:W sadzie rośnie 630 jabłoni i 90grusz
y - jabłonie
x+y = 720
2x=y
x+2x=720
3x=720
x=720/3
x=240
y=2x=2*240=480
odp. jabłoni jest 480, a grusz 240
540:2=270
720-270=450
jablek 450 gruszek 270