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3*4+2*9-{4+[45-5*(8-2m)+23]:4}=14

Răspuns :

12+18-{4+[45-5*(8-2m)+23]:4}=14
18-{4+[45-5*(8-2)+23]:4}=14-12
{4+[45-5*(8-2m)+23]:4} =18+2
{[45-5*(8-2m)+23]:4}=20-4
{[45-5*(8-2m)+23]}=16*4
{[5*(8-2m)+23]}=84+45
[(8-2m)+23]=129:5
[(8-2m)]=25.8-23
8-2m=2.8
2m=2.8+8
m=10.8:2
m=5.4
sper sa te ajute