prostokat mawymiary 7 1/2m i 33/4m.ego obw w skali 2:1 jest rowny;
a)22 1/2m
b)15m
c)7 1/2m
d)45m
7 1/2m*2=15m
3 3/4m*2=7,5m
O=2*15m+2*7,5m=30m+15m=45m
Odp D
7½m*2=15m
3¾m*2=7,5m
O=2*15+2*7,5= 30+15=45m
ODP D
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7 1/2m*2=15m
3 3/4m*2=7,5m
O=2*15m+2*7,5m=30m+15m=45m
Odp D
7½m*2=15m
3¾m*2=7,5m
O=2*15+2*7,5= 30+15=45m
ODP D