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1

Ответы и объяснения

2013-03-12T20:21:00+00:00

b1=b4:q^3=-2/27 :(-1/3)^3=-2/27 : (-1/27)=2

b2=2*(-1/3)=-2/3

S = b1+b2=2-2/3=1целая 2/3