Пошаговое объяснение:
-5ц 3/4*8-2ц 1/3*(-3/14)-1ц 32/48*(-2ц 2/15)= -41 17/18
1) -5 3/4 * 8 = -23/4 * 8 = -46
2) 2 1/3 * (-3/14) = 7/3 * (-3/14) = -1/2
3) 1 32/48 * (-2 2/15) = 80/48 * (-32/15) = -32/9 = -3 5/9
4) -46 + 1/2 + 3 5/9 = -46 + 9/18 + 3 10/18 = -46 + 3 19/18 = -46 + 4 1/18 = -41 17/18
