найдите значение выражения; 6,25 * 8 - 3.2/3:5,5+2,4*4,7/12=

6,25 * 8 - 3 2/3 : 5,5 + 2,4 * 4,7 : 12 = 50 41/150.

1). 6,25 * 8 = 50;

2). 3 2/3 : 5,5 = 3 2/3 : 5 5/10 = 11/3 : 55/10 = 11/3 * 10/55 = (11 * 10) / (3 * 55) = 110/165 = 22/33 = 2/3;

3) 2,4 * 4,7 = 11,28;

4). 11,28 : 12 = 0,94;

5). 50 - 2/3 = 49 3/3 - 2/3 = 49 + (3/3 - 2/3) = 49 + (3 - 2) / 3 = 49 + 1/3 = 49 1/3;

6). 49 1/3 + 0,94 = 49 1/3 + 94/100 = 148/3 + 94/100 = 148/3 + 47/50 = (148 * 50) / (3 * 50) + (47 * 3) / (50 * 3) = 7400/150 + 141/150 = (7400 + 141) / 150 = 7541/150 = 50 41/150.