Ciobotarudiana09ask
a fost răspuns

(✓450-✓200)-(✓1250-✓1800)=



✓1805-(✓1620-✓845)-✓720=​

Răspuns :

Dariusbarbuask

(√450 - √200) - (√1250 - √1800)

= (15√2 - 10√2) - (25√2 - 30√2)

= 5√2 - (- 5√2) = 5√2 + 5√2 = 10√2

√1805 - (√1620 - √845) - √720

= 19√5 - (18√5 - 13√5) - 12√5

= 19√5 - 5√5 - 12√5 = 2√5

Ask Alte intrebari