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[(64×33×2÷4-500×2)÷2+5×a]÷6×12+999÷9=112


Răspuns :

[(2112x2:4-1000):2+5×a]-6x12+111=112
[(4224:4-1000):2+5×a]-72+111=112
[(1056-1000):2+5×a]-72+111=112
(56:2+5×a)-72+111=112
(28+5×a)-72=112-111
(28+5×a)-72=1
28+5×a=72+1
28+5×a=73
5×a=73-28
5×a=45
a=45:5
a=9
Sper ca te-am ajutat!
[(64*33*2:4-500*2):2+5a]:6*12+999:9=112
[(4224:4-1000):2+5a]:6*12+999:9=112
[(1056-1000):2+5a]:6*12+999:9=112
(56:2+5a):6*12+999:9=112
(28+5a):6*12+999:9=112
(28+5a):72+111=112
(28+5a):72=1
28+5a=73
5a=73-28
5a=45
a=45:5
a=9