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546+127-96:3+73x2-(62:a+24:2)-5x11=689

Răspuns :

Stoiculescue
546+127-32+146-(62:a+12)-55=689
732 - 62:a-12=689
-62:a=689-732+12
-62:a=-31
a=2
546+127-96:3+73x2-(62:a+24:2)-5x11=689
546+127-32+146-(62:a+12)-55=689
732 - 62:a-12=689+55=744+12=756
62:a=756-732=24
62:a=24
a=62:24
a=2.58

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