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Rezolvati prin multimea Q operatia 2/3x=46

Răspuns :

2/3x=46
x= 46 /  2/3
x=46/1 / 2/3
x= 46/1 * 3/2
x=69
Q este multimea nr rationale⇒2/3x=46⇔2=3x·46⇔x=2/3·46
⇒x=1/69∈Q