Question

9000min=?grade 11 grade=?sec 90 grade=?min 150sec=?grade

Answer 1

Explicație pas cu pas:

1 grad = 60 minute = 3600 secunde

9000min=9000:60=150 grade

11 grade=11•3600=39600 sec

90 grade=90•60=5400 min

150sec=150/3600=1/24= grade