Question

(25 13/28-26 4/21)-(-4-1 5/24) ПОМОГИТЕ

Answer 1

$(25 frac{13}{28} - 26frac{4}{21} )-(-4- 1frac{5}{24} )=4frac{27}{56} \ 1) 25 frac{13}{28} - 26frac{4}{21} = frac{713}{28} - frac{550}{21} = frac{2139}{84} - frac{2200}{84} =- frac{61}{84} \ 2) -4- 1frac{5}{24} = -4- frac{29}{24} =- frac{96}{24} - frac{29}{24} =- frac{125}{24} =- 5frac{5}{24} \ 3) - frac{61}{84}-(- 5frac{5}{24} )=- frac{61}{84}+5frac{5}{24}=- frac{61}{84}+frac{125}{24}=- frac{122}{168} + frac{875}{168} = frac{753}{168} = 4frac{27}{56}$

Answer 2

решение примера