Natasha1111 Natasha1111

12-09-2016
Mathematics

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math question 1. 3-8=?, 2. 6-(-7)=?, 3. -10+(-9)=?, 4. -5-(-4)

Respuesta :

13-09-2016

3-8=-5
6-(-7)=13
-10+(-9)=-19
-5-(-4)=-1

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