How do you simplify 7 + (53 + 6)?

2 Answers

66

Explanation:

hi u can write this as
7+53+6=7+53+3-3+6
=7+56+3=
=7(1+8)+3
=7*9+3
=63+3=66

Jul 3, 2016

Use of the Associative Property gives 66

Explanation:

Rather than treating this just as a plain addition, it explores one of the laws of maths: the associative property.
Regrouping can make the addition easier.

7 + (53 + 6) can be written as (7+53) + 6

= 60 + 6

=66