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2014-04-16T16:08:53+03:00
Arie=L*l
a) Arie=6*10=60
b) 8.5*2.4=
85/10*24/10=2040/100=20.4
c) 4 1/4=25/6
Aria=25/6*12=50
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2014-04-16T16:10:00+03:00
A unui dreptunghi este: A=L x l
a)A=6x10=60 cm²
b)A=8.5x2.4=20.4 cm²
c)A= 25:6 x 12=> Se simplifica 6 cu 12=>
A=25x2=50 cm²
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