Here are the steps to solve each problem:
925 + 7.5 = 932.5
0.758 + 62.9 = 63.658
42.5 + 0.63 = 43.13
7.042 - 6.1 = 0.942
28 - 6.3 = 21.7
0.32 × 0.49 = 0.1568
2.67 × 5.4 = 14.448
212 ÷ 14 = 15.1428571429 (repeating decimal)
0.13 ÷ 8 = 0.01625
75 ÷ 4 = 18.75