А)14-23-37+23+56-13=20
1. 14-23=-9
2. -9-37=-46
3.-46+23=-23
4.-23+56=33
5.33-13=20
б)27-49-12+38+49-60=-7
1.27-49=-22
2. -22-12=-34
3.-34+38=4
4.4+49=53
5.53-60=-7
в)-51-18-29+11+51+29-14=-21
1. -51-18=-69
2. -69-29=-98
3. -98+11=-87
4. -87+51=-36
5. -36+29=-7
6. -7-14=-21
г)46+34-15-34-46+15-100=-100
1. 46+34=80
2. 80-15=65
3. 65-34=31
4. 31-46=-15
5. -15+15=0
6. 0-100=-100