" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
[(5) + (-7)] × (-30) ÷ [(-4) (-3) (5)]
[5 -7] × (-30) ÷ [(+12) (5)]
[ -2 ] ×(-30) ÷ [ 60 ]
+60 ÷ [ 60 ]
1
... = [9 - 4 -10 + 3](-30) ÷ [(-4)(-3)(5)] = ...
... = (-2)(-30) ÷ 60 = ...
... = 60 ÷ 60 = ...
... = 1
Respuesta:
a) 1