Răspunsuri

2014-10-08T14:55:54+03:00
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
2 5 2
2014-10-08T15:03:34+03:00
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
2 5 2