Question

aratoti ca nr 5²•6+5²•9+5²•10 este patrat perfect​

Answer 1

$5^{2} *6+5^{2} *9+5^{2} *10=\\= 25*6+ 25*9+25*10=\\=150+225+250=\\=625$

Este patrat perfect deoarece $25^{2} =625$

Answer 2

Salutare!

5²×6+5²×9+5²×10=

25×6+25×9+25×10=

150+25×9+25×10=

150+225+25×10=

150+225+250=

375+250=

625

625=25² pătrat perfect

#Succes!