Срочность ..........
0.29 + 6/25 = 0.29 + 0.24 = 0.53
4 5/8 - 3.94 = 4 500/800 - 3 752/800 = 548/800 = 0.685
8.22 - 4 7/50 = 8.22 - 4.14 = 4.08
15.63 + 1 9/16 = 16 + 9/16 + 63/100 = 16 + 1 77/400 = 17 77/400