17-4=13
L=12*2+17+13=54cm
Odpowiedź:
Ob= 12cm+17cm+12cm+(14cm-4cm)=54cm
Odp. 54cm
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17-4=13
L=12*2+17+13=54cm
Odpowiedź:
Ob= 12cm+17cm+12cm+(14cm-4cm)=54cm
Odp. 54cm