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{45 363-[536+9x43-(2b+6x8-5x2)] }-1936:4x78=7608 Va rog Dau Coroana

Răspuns :

{45,363-[536+9×43-(2b+6×8- 5×2)]=7608/+45,363 536+9×43-(2b+6×8-5×2)=83,115 536+387 (2b+6×8-5×2)=83,115/+923 2b+ 38=84,038/-38 84,000:2=42,000
{45 363-[536+387-2b+48-10)]}-484×78=7 608
[45 363-1373-2b+38]-37752=7 608
(43 990-2b+38)-37752=7 608
43 990-2b+38=37752+7 608
43 990-2b+38=45360
2b+38=43 990-45 360
2b+38= 8 630
2b=8 630-38
2b=8592
b=8592:2
b=4296