Răspuns :
a+b=98;a=98-b
a-b=82;a=82+b
98-b=82+b
98-82=2b
2b=16
b=16:2
b=8=> a+8=98 a=98-8 a=90
a-b=82;a=82+b
98-b=82+b
98-82=2b
2b=16
b=16:2
b=8=> a+8=98 a=98-8 a=90
a+b=98 a-b=82
a=98-b a=82+b
98 - 82 = b+b
16= 2b
b= 16 :2
B =8
A + 8 = 98
A= 98 -8
A=90
A-8 =82
A=82+8
A=90