( 8 + 2 1\7 *(- 3 1\9)) * (- 27\44)

(8+2 1/7×(-3 1/9))×(-27/44)=-9/11 1)2 1/7×(-3 1/9)=-2 1/7×3 1/9=-15/7×28/9=-5/1×4/3=-20/3=-6 2/3 2)8+(-6 2/3)=8-6 2/3=7 3/3-6 2/3=1 1/3 3)1 1/3×(-27/44)=-1 1/3×27/44=-4/3×27/44=-1/1×9/11=-9/11

(8+21/7*(-31/9))*(-27/44)= раскроем скобки 8+21/7*31/9*27/44 ,- на - дает+, сократим дробь 21/7=3, 27/9=3, . 3*31*3/44 8+9*31/44=8+279/44=8+6 15/44=14 15/44 ответ 14 целых 15/44