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50mm=5cm
Obw=190cm
1 bok= x+ 5cm
2bok= x
190=2(x+5)+2x
190=2x+10+2x
190-10=4x
x=180/4
x=45
bok1=45cm
bok2=45cm+5cm=50 cm
spr.2*45+2*50=190
w skali 1:10
1bok=4,5cm
2bok=5,0cm
Proszę o najkę ;)