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24-09-2019
Mathematics

contestada

31 -(-17)=
20+62=
87 - (-36)=
3+(-63)=

Integer Addition and Subtraction ^^^^

Respuesta :

24-09-2019

48

82

123

-60

Step-by-step explanation:

when subtracting negatives thet turn positive and when adding negatives they are basically subtracting

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