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Andreiiidarius
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2.{12+3. [60-3. (27-4.3)]}-5x=7 Repede!!!

Răspuns :

Patrickozma
2*{12+3*[60-3*15)]}-5X=7
2*{12+3*[60-45]}-5X=7
2*{12+3*15}-5X=7
2*{12+45)-5X=7
2*57-5X=7
114-5X=7
5X=114-7
5X=107
X=107/5

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