вычислите - 1) -1 2/3 x 3,6; 2) 1 9/31 x (-3,1); 3) -48 x (-2 5/12);

1) -1 2/3 × 3,6 = -5/3 × 18/5 = -6

2) 1 9/31 × (-3,1) = 40/31 × (-31/10) = -4

3) -48 × (-2 5/12) = -48 × (-29/12) = 4 × 29 = 166