Obwód prostokąta o wymiarach 3 cm 4 mm i 5 cm 2 mm wynosi ......................cm i ................................ mmm. Pytanie 2 Bok kwadratu o obwodzie równym 48 cm 8 mm wynosi ....................cm i .........................mm.
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(3,4+5,2)*2=17cm i 2 mm
48,8:4=12cm i 2 mm