Question

calculeaza folosind factorul comun : b)17 supra 15 ori 2 supra 34 plus 51 supra 5 ori 2 supra 34

Answer 1

Răspuns:

$\frac{2}{34} \times (\frac{17}{15} + \frac{51}{5} ) = \frac{2}{34} \times \frac{105}{15} = \frac{210}{510}$