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Calcule: a) (+9) + (-5) = b) (+3) + (-4) = c) (-8) + (+6) =
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2 votes
Calcule:

a) (+9) + (-5) =

b) (+3) + (-4) =

c) (-8) + (+6) =

User Jason Hanley
by
8.8k points

2 Answers

4 votes
I have ued the zero pairs strategy, I hope you are familiar with that! Hope i helped!
Calcule: a) (+9) + (-5) = b) (+3) + (-4) = c) (-8) + (+6) =-example-1
User Pfunk
by
7.8k points
6 votes

a) 9 + -5 = 9-5 = 4

b) 3 +-4 = 3 -4 = -1

c) -8 + 6 = -2

User Roberto Rizzi
by
9.7k points
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