А) 62,5 * 0,032 +2,75 + 5,625=10,375
б) 62 1/2 * 4/125 + 2 3/4 + 5 5/8=
1. (62 * 2 + 1) / 2 + 4/125 = 125/2 * 4/125 = (125* 4) / (2*125) = 2
2. 2 + 2 3/4 + 5 5/8 = 2+2+5+ 3/4 + 5/8 = 9 + (3* 2)/ (4*2) + 5/8= 9+ 6/8 + 5/8= 9+ 11/8= 9+ 1+ 3/8=10 3/8= 10, 375