(2.5-2(1/3))×(-5(1/7))+1(1/3)÷(-5.6)= (5/2-7/3) × (-36/7)+4/3÷(-28/5)= 1/6×(-36/7)-4/3×5/28= -1/6×36/7-4/3×5/28= -6/7-1/3×5/7= -6/7-5/21= -23/21= -1(2/21)
Пошаговое объяснение:
(2.5-2(1/3))×(-5(1/7))+1(1/3)÷(-5.6)= (5/2-7/3) × (-36/7)+4/3÷(-28/5)= 1/6×(-36/7)-4/3×5/28= -1/6×36/7-4/3×5/28= -6/7-1/3×5/7= -6/7-5/21= -23/21= -1(2/21)
Пошаговое объяснение: