1 x=13/-39/10=13*(-10/39)=-10/3=-3и1/3
х=375/1000:(-3/8)=375/1000*(-8/3)=-375*8:1000*3= -125*8/1000=-1000/1000=-1
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1 x=13/-39/10=13*(-10/39)=-10/3=-3и1/3
х=375/1000:(-3/8)=375/1000*(-8/3)=-375*8:1000*3= -125*8/1000=-1000/1000=-1