Question

Ayuda Solo el num. 9
gracias

Answer 1

Saludos

√49 = 7     (9x7)/√9 = 63/3 = 21     32/√16 =32/4 = 8  

 280/56 = 5       360/9 = 40

360/9 + ∛27/3 - _____ = 20  ⇒

40 + 1 - _______ = 20 

41 - _____ = 20         41 - 20 = 21  ⇒

41 - 21 = 20