Răspuns:
[tex]2+19*[\frac{2,652:1,3-1\frac{17}{30}+\frac{3}{50}}{24:6,4-(12:3\frac{3}{5}+\frac{2}{5})*0,5-1,25} ]-3+2*2[/tex]=
[tex]\frac{2652}{1000}:\frac{13}{10} -\frac{47}{30}+\frac{3}{50}}[/tex] = [tex]\frac{2652}{1000}*\frac{10}{13} -\frac{47}{30}+\frac{3}{50}}=\frac{3)204}{100}-\frac{10)47}{30}+\frac{6)3}{50}[/tex]= [tex]\frac{612-470+18}{300} =\frac{160(20}{100} =\frac{8}{5}[/tex]
[tex]24:\frac{64}{10} -(12:\frac{18}{5}+\frac{2}{5})*\frac{1}{2} -\frac{125}{100}[/tex] = [tex]24*\frac{10}{64} -(12*\frac{5}{18}+\frac{2}{5})*\frac{1}{2} -\frac{5}{4}[/tex] =
=[tex]3*\frac{10}{8} -(2*\frac{5}{3}+\frac{2}{5})*\frac{1}{2} -\frac{5}{4}[/tex] = [tex]\frac{15}{4} -(\frac{5)10}{3}+\frac{3)2}{5})*\frac{1}{2} -\frac{5}{4}[/tex] = [tex]\frac{15}{4} -\frac{56}{15}*\frac{1}{2} -\frac{5}{4}[/tex] = [tex]\frac{15)10}{4} -\frac{4)28}{15}[/tex] = [tex]\frac{150-112}{30}[/tex]=[tex]\frac{38}{30}[/tex]=[tex]\frac{19}{15}[/tex]
2+19*[tex]\frac{5}{8}[/tex]:[tex]\frac{19}{15}[/tex]-3+4=3+19*[tex]\frac{5}{8}[/tex]*[tex]\frac{15}{19}[/tex]=3+[tex]\frac{75}{8}[/tex]=3+9,375=12,375
Explicație pas cu pas:
