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1/..=6/30 pls ajutaimaa e usor​

Răspuns :

Salut!

1/x = 6/30 <=>

<=> x × 6 = 1 × 30 <=>

<=> x × 6 = 30 <=>

<=> 6x = 30 <=>

<=> x = 30 ÷ 6 <=>

<=> x = 5