Page 192 - MATH NIVEL 1
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Machine Translated by Google
1st Grade - Primary Education MATHEMATICS
PERATIONS COMBINED WITH SIGNS
EITHER
GROUPING
Parenthesis
signs
of Brackets
group
Keys
1. To solve a combined operation of addition and subtraction with grouping signs, you must first solve for the grouping signs,
that is, from the parentheses to suppress them and then solve them in the order presented.
Example:
Eye:
5 + 8 – ( 4 + 3 )
First for the
grouping signs
7
2. After solving all the operations that have grouping signs, I start to develop
roll as always from left to right.
5 + 8 – (4 + 3)
5 + 8 – 7
14 – 7
7
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