11/3×2/7×1,5×22/33 = 8/49×5/14×3 2/3

1) 1 1/3 * 2/7 * 1,5 * 22/33 = 4/3 * 2/7 * 3/2 * 22/33 = 4/7 * 22/33 = 4/7 * 2/3 = 
= 8/21 
2) 8/49 * 5/14 * 3 2/3 = 8/49 * 5/14 * 11/3 
3) 8/21  : ( 8/49 * 5/14 * 11/3 ) = ( 49*14 ) / ( 35 * 11 ) = ( 49*2 ) / 55 = 98/55 =
= 1 43/55