Oblicz obwód trójkąta o bokach a b c
a) a=1¼ , b=1½ , c=2½
b) a=3⅓ , b=4⅓ , c=5½
c) a=3¾ , b= 4 ½, c=5⅔
a) Obw=1,25+1,5+2,5=5,25
b) Obw=
c)
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a) Obw=1,25+1,5+2,5=5,25
b) Obw=
c)