k) (-5). [(-7) + 2022] + 5.2022

2 bình luận về “k) (-5). [(-7) + 2022] + 5.2022”

1. $\text{k) (-5).[(-7) + 2022] + 5.2022 }$

   $\text{= (-5).(-7) + (-5).2022 + 5.2022}$

   $\text{= 35 – 5.2022 + 5.2022}$

   $\text{= 35 + 0}$

   $\text{= 35}$

   Trả lời
2. k) (-5) . [(-7) + 2022] + 5 . 2022

   = (-5) . 2015 + 5 . 2022

   = 5 . (-2015) + 5 . 2022

   = 5 . (-2015 + 2022)

   = 5 . 7

   = 35

   @Christian

   Trả lời