Найдите значение числового выражения 5 5/17 * ( -4 8/15). 2 13/18*(-3 3/14) 2 1/52*26/49-11 5/11: 3 3/7

5 5/17×(-4 8/15)=90/17×(-68/18)=-5/1×4/1=-20/1=-20

2 13/18×(-3 3/14)=49/18×(-45/14)=-7/2×5/2=-35/4=-8 3/4

2 1/52×26/49-11 5/11:3 3/7=105/52×26/49-126/11:24/7=
15/2×1/7-126/11×7/24=15/14-21/11×7/6=15/14-147/66=495/462-1029/462=-534/462=-267/231=-89/77