(-6 1/5-4 1/3)/(-1 1/3)=?
 решите пример

(- 6 1/5 - 4 1/3) / (- 1 1/3) = 7,91) - 6 1/5 - 4 1/3 = - 6 3/15 - 4 5/15 = - 10 8/152) - 10 8/15 : (- 1 1/3) = - 158/15 : (- 4/3) = - 158/15 * (- 3/4) = 79/10 = 7 9/10 = 7,9