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5 ,i.Bfr E .Effi A fl1tul Nfr' lnN f tfi B f . i trt(6 +7) x2 = (4 +9) x2 =LAK,FfrUfi)RLA
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1.67 dm=16.7 cm:I'| cm
E,*WtAh 17 cm, 1.r)ffiogHx
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