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1-{[603-135:5 (6-12:X)]:4-144}:10=1
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Răspuns :

1 - {[603 - 27 (6 -12:x)]:4 - 144}:10=1
[603 - 27 (6 -12:x)]:4 - 144=0
[603 - 27 (6 -12:x)]:4 = 144
603 - 162  +  324/x   = 144*4 = 576

324/x = 135
135x = 324
x= 324/135
x=2,4