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5×deschidem paranteza rotunda 395 plus 638 plus 437 inchidem paranteza rotunda ÷6 plus 9 minus deschidem paranteza rotunda 12 plus 3

Răspuns :

5(395+638+437):6+9-(12+3)=

5 ori 1470:6+9-12-3=

7350:6-6=

1225-6=1219

5×(395+638+437)÷6+9-(12+3)

5×(1033+437)÷6+9-15

5×1470÷6+6=

5×245+6

1225+6=1231