Răspuns:
a+b=14455+12432=26887
a-b=14455-12432=2023
______
a-b=6500
b=25800
a=6500+25800=>a=32300
a+b=32300+25800=58100
a-b=32300-25800=6500
_____
a+b=181200
a=99900
b=181200-99900=>b=81300
a+b=99900+81300=181200
a-b=99900-81300=18600
_____
a-b=14500
a=40000
b=40000-14500=>b=25500
a+b=40000+25500=65500