plis pomozesz/????????????!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
zadanie 9
[ 4x ] + 2x = [6x] - 3x = [ 3x] - 4/5x = [ 2 1/5]
zadanie 8
wagon pierwszy:
x -3x 4x
wagon drugi:
y -y 7/8y 2y 6y
wagon trzeci:
0,2z 5/8z -5z
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zadanie 9
[ 4x ] + 2x = [6x] - 3x = [ 3x] - 4/5x = [ 2 1/5]
zadanie 8
wagon pierwszy:
x -3x 4x
wagon drugi:
y -y 7/8y 2y 6y
wagon trzeci:
0,2z 5/8z -5z