Ответы на вопрос:
4у²-9у²/6ху х 1/2у+3х= (2у+3х)(2у-3х)/6ху х 1/2у+3= =2у-3х/6ху= 2(1/4) +3(1/3)/ 6(1/12)=3 =
(4y^2-9x^2)/3x2y): (2y+3x)=(2y-3x)(2y+3x)/3x2y) *1/(2y+3x)=(2y-3x)/3x2y= (2*1/4-3*1/3)/1/2=(1/2-1)/0.5= -0.5/0.5= -1
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