Applicare la formula: $a+b$$=a+b$, dove $a=\frac{199}{25}$, $b=2.58$ e $a+b=7.96+2.58+2.36+7.9+37.9+42.9$

Applicare la formula: $a+b$$=a+b$, dove $a=10.54$, $b=\frac{59}{25}$ e $a+b=10.54+2.36+7.9+37.9+42.9$

Applicare la formula: $a+b$$=a+b$, dove $a=12.9$, $b=\frac{79}{10}$ e $a+b=12.9+7.9+37.9+42.9$

Applicare la formula: $a+b$$=a+b$, dove $a=\frac{104}{5}$, $b=37.9$ e $a+b=20.8+37.9+42.9$

Applicare la formula: $a+b$$=a+b$, dove $a=58.7$, $b=42.9$ e $a+b=58.7+42.9$