(348 +594): 6 (912-144): 4 (704-136): 8 (981 – 567) : 9

Let's solve these expressions one by one:

1. (348 + 594) divided by 6: = 942 / 6 = 157

2. (912 - 144) divided by 4: = 768 / 4 = 192

3. (704 - 136) divided by 8: = 568 / 8 = 71

4. (981 - 567) divided by 9: = 414 / 9 = 46