Question

Срочно пример!
-10 2/7 : 1 13/35 + 3 9/11 : 1 1/55

Answer 1

$-10 frac{2}{7} :1 frac{13}{35} +3 frac{9}{11} :1 frac{1}{55} =- frac{72}{7} : frac{48}{35} + frac{42}{11} : frac{56}{55} =- frac{360}{35} : frac{48}{35} + frac{210}{55} : frac{56}{55} = \ =- frac{360}{48} + frac{210}{55} =-7 frac{1}{2} +3 frac{45}{55} =-7 frac{55}{110} +3 frac{90}{110} =-3 frac{75}{110} =-3 frac{15}{25}$