а) (54,037 + 307,003) : 2 - 84,045
54,037
+ 307,003
---------
361,040
361,040 : 2 = 180,520
180,520
- 84,045
---------
96,475
б) 985,738 + 5,0025 : 5 - 981,7384
5,0025 : 5 = 1,0005
985,738
+ 1,0005
---------
986,7385
986,7385
- 981,7384
---------
5,0001
Ответ: