Applicare la formula: $a+b$$=a+b$, dove $a=-34.71$, $b=-\frac{2502}{25}$ e $a+b=-34.71-100.08+111.62+92.93-27.27$

Applicare la formula: $a+b$$=a+b$, dove $a=-134.79$, $b=-27.27$ e $a+b=-134.79+111.62+92.93-27.27$

Applicare la formula: $a+b$$=a+b$, dove $a=111.62$, $b=-162.06$ e $a+b=-162.06+111.62+92.93$

Applicare la formula: $a+b$$=a+b$, dove $a=92.93$, $b=-\frac{1261}{25}$ e $a+b=-50.44+92.93$