Răspuns :
250×2-b÷8=195
500-b:8=195
b:8=500-195
b:8=305
b=305×8
b=2440
daca nu e bun ma gandesc ca e asta
250×2-b:8=195
500-b:8=195
500-b=195×8
500-b=1560
b=1560-500
b=1060
500-b:8=195
b:8=500-195
b:8=305
b=305×8
b=2440
daca nu e bun ma gandesc ca e asta
250×2-b:8=195
500-b:8=195
500-b=195×8
500-b=1560
b=1560-500
b=1060