Odpowiedź:
A. O= 2*3+2*5= 6+10= 16
B. O= 3,5*4= 14
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Odpowiedź:
A. O= 2*3+2*5= 6+10= 16
B. O= 3,5*4= 14
2•3+2•5= 6+10=16cm
Obw kwadratu
35•4=140mm=1,4cm