Odpowiedzi

2010-02-10T17:54:39+01:00
2010-02-10T17:55:32+01:00
A) L=2a+2b
L=10,5+14=24,5cm

b)18*2+6*2=36+12=48m
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2010-02-10T17:57:13+01:00
A) 2•5¼+2•7=10½+14=24½ b)2•18+2•6=36+12=48m. Pozdrawiam :*
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