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Mika80
a fost răspuns

(8×5+6×9+x)÷9+312=323

Răspuns :

Elakissup3bs9j
(40+54+x):9=323-312
94+x=11x9
X=99-94
X=5
Verificare
(94-5):9+312=323
99:9+312=323
11+312=323
323=323
( 8 x 5 + 6 x 9 + x ) : 9 + 312 = 323

( 40 + 54 + x ) : 9 + 312 = 323

( 40 + 54 + x ) : 9 = 323 - 312

( 40 + 54 + x ) : 9 = 11

( 94 + x ) : 9 = 11

94 + x = 9 x 11

94 + x = 99

x = 99  - 94

x = 5