Question

 срочно помогите
50 целых 21/33 - (4 целых 1/6 + 25 целых 9/11)

Answer 1

$50 frac{21}{33}-(4 frac{1}{6}+25 frac{9}{11} ) =50 frac{21}{33}-( frac{25}{6}+ frac{284}{11} ) =50 frac{21}{33}-( frac{275+1704}{66} ) = \ =frac{1671}{33}- frac{1979}{66} = frac{3342-1979}{66} = frac{1363}{66}=20 frac{43}{66}$