( 8 - 7 13/17) * ( 2 1/4 + 3 1/3 - 4 11/15) * 1 =
8 - 7 13/17 = 8/1 - 132/17 = 136/17 -132/17 = 4/17
9/4 +10/3 = 27/12 +40/12 = 67/12
67/12 - 4 11/15 = 67/12 -71/15 = 335/60 -284/60 = 51/60
4/17 * 51/60 = 3/15 = 1/5
1/5 * 1 = 1/5
( 9 9/14 - 7 10/21) * 35 + ( 11 2/15 - 8 3/25) *20 + ( 9/32 - 9/32) *16 =
9 9/14 - 7 10/21 = 135/14 - 157/21 = 405/42 - 314/42 = 91/42 = 13/6
11 2/15 - 8 3/25 = 167/15 - 203/25 = 835/75 - 609/75 = 226/75
13/6 * 35 = 455/6
226/75 * 20 = 904/15
( 9/32 - 9/32) *16 = 0
455/6 + 904/15 = 2275/30 + 1808/30 = 4083/30 = 1361/10 = 136ц 1/10 или 136,1