B) va rog. Dau coroana

Răspuns:
2018+[32-(8:b+6)×b]:12=2019
[32-(8:b+6)×b]:12=1
32-(8:b+6)×b=12
(8:b+6)×b=20
8:b+6=20:b
de aici nu mai stiu..scuze ,dar sper sa te ajute!
Răspuns: 2018+[32-(8:b+6) x b]:12 =2019
[32-(8:b+6) x b]:12=2019-2018
[32-(8:b+6)x b ]:12=1
32-(8:b+6) x b = 1 x 12 ( =12 )
-8:b+6 x b =12-32
-8:b+ 6b= -20
b+6b= -20:8
7b= -2,5
b = 2,5/7
sper ca e bine :)