Найдите значение числового выражения а) (8 7/12 - 2 17/36) * 2,7 - 4 1/3 : 0,65, б) (1 11/24 + 13/36) * 1,44 - 8/15 * 0,5625, в) (6 8/15 - 4 21/45) * 4,5 - 2 1/6 : 0,52, г) (9/22 + 1 12/33) * 1?32 - 8/13 * 0,1625

а). (8 7/12 - 2 17/36) * 2,7 - 4 1/3 : 0,65 = (8 21/36 - 2 17/36) * 2,7 - 13/3 : 13/20 =

= 6 4/36 * 2,7 - 20/3 = 6 1/9 * 27/10 - 6 2/3 = 55/9 * 27/10 - 6 2/3 = 33/2 - 6 2/3 =

= 16 3/6 - 6 4/6 = 9 5/6;

б). (1 11/24 + 13/36) * 1,44 - 8/15 * 0,5625 = (1 33/72 + 26/72) * 1,44 - 8/15 * 9/16 =

= 1 59/72 * 72/50 - 3/10 = 131/72 * 72/50 - 3/10 = 131/50 - 15/50 = 116/50 = 2,32;

в). (6 8/15 - 4 21/45) * 4,5 - 2 1/6 : 0,52 = (6 24/45 - 4 21/45) * 9/2 - 13/6 : 13/25 =

= 2 1/15 * 9/2 - 25/6 = 31/15 * 9/2 - 4 1/6 = 9 3/10 - 4 1/6 = 9 9/30 - 4 5/30 = 5 2/15;

г). (9/22 + 1 12/33) * 1,32 - 8/13 * 0,1625 = (27/66 + 1 24/66) * 1,32 - 8/13 * 13/80 =

= 1 51/66 * 1,32 - 1/10 = 1 17/22 * 1,32 - 1/10 = 39/22 * 33/25 - 1/10 =

= 117/50 - 1/10 = 117/50 - 5/50 = 112/50 = 2,24.