2+4-5:6•79086436-34•78 =
2+4-0,8(3)•79086436-2652=
2+4-[tex]\frac{83}{9}[/tex]•[tex]\frac{79086436}{1}[/tex]-2652=
2+4-[tex]\frac{6564174188}{9}[/tex]-2652=
[tex]\frac{18}{9}[/tex]+[tex]\frac{36}{9}[/tex]-[tex]\frac{6564174188}{9}[/tex]-[tex]\frac{23868}{9}[/tex]= [tex]-\frac{6564198002}{9}[/tex]= -65908009.(3)
Sper ca te-am ajutat