Представь в виде произведения двух дробей число 8/15

<span> 6Х-3Х=522</span>

<span>3х=522</span>

<span>х=522:3</span>

<span>х= 174</span>

<span>
</span>

<span>проверка</span>

<span>6*174-3*174= 522</span>

<span>1044-522= 522</span>

<span>522 = 522</span>