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Silvia2004
a fost răspuns

Aflal pe a :
546+127-96/3+73ori 2-(62/a + 24/2 ) -5ori 11=689

Răspuns :

Renatemambouko
546+127-96/3+73* 2-(62/a + 24/2 ) -5*11=689
546+127-32+146-(62/a + 12 ) -55=689
787-(62/a + 12 ) =689+55
-(62/a + 12 ) =744-787
-(62/a + 12 ) =-43
62/a + 12  =43
62/a   =43-12
62/a   =31
a=2

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