Czyli X + 1,25 X = 45
2,25X=45 / 2,25
x=20
x=20 dlaczego?
to proste x+1,25x=45
2,25x=45/2,25
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Czyli X + 1,25 X = 45
2,25X=45 / 2,25
x=20
x=20 dlaczego?
to proste x+1,25x=45
2,25x=45/2,25