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

2 Answers

66

Explanation:

hi u can write this as
7+53+6=7+53+33+6
=7+56+3=
=7(1+8)+3
=79+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