728+(272+986)
(139+192)+61
126+(54+74+46)
92+88+12
286+54+46+4
462-83-117
5246-(246+694)
(2530)4
1581252
10356 8(12530)
1215+1235
420755
679+339
9865
999+99
5(18+20)
5(1820)
31128-2831
252774
2536
35102
9834
12532
42035
256254
4598
20134
2574
25(7+4)
36250
48125
28085
658+765-655
54045
3862+3838
3212525
38+62-38+62
453-26-74-53
307-49+83-51
98+265+202
77+175+223+125
96+266+204
355+260+140+245
234+130+270+366
1034+78+320+102
250134
4345
40335
88125
72125
12556
1253225