[tex]\displaystyle\mathsf{A=260,4*0,1=26,04.}[/tex] [tex]\displaystyle\mathsf{A=80,8 - ( 2*B-5,8)}[/tex] [tex]\displaystyle\mathsf{B-?}[/tex]
[tex]\displaystyle\mathsf{26,04=80,8 - ( 2*B-5,8)}\\\displaystyle\mathsf{26,04=80,8-2B+5,8}\\\displaystyle\mathsf{2B=86,6-26,04}\\\displaystyle\mathsf{2B=60,56\\}\\\displaystyle\mathsf{B=\frac{60,56}{2}=30,28. }[/tex]
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[tex]\displaystyle\mathsf{A=260,4*0,1=26,04.}[/tex] [tex]\displaystyle\mathsf{A=80,8 - ( 2*B-5,8)}[/tex] [tex]\displaystyle\mathsf{B-?}[/tex]
[tex]\displaystyle\mathsf{26,04=80,8 - ( 2*B-5,8)}\\\displaystyle\mathsf{26,04=80,8-2B+5,8}\\\displaystyle\mathsf{2B=86,6-26,04}\\\displaystyle\mathsf{2B=60,56\\}\\\displaystyle\mathsf{B=\frac{60,56}{2}=30,28. }[/tex]