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Marianna [84]
3 years ago
12

Help with 1-9 , please!!!!

Mathematics
2 answers:
LiRa [457]3 years ago
5 0

Answers:

1. 147+13=160

2. -55+(-31)= -55-31=-86

positive number and negative number= -negative number

3. 18+71=89

4. -14+21=7

Positive 7 because 21 is greater than -14

5. 12+(-56)= 12-56=-44

6. -4+18=14

7. -31+(-17)=-31-17=-48

8. 72+(-22)=72-22=50

9. 47+23=70

murzikaleks [220]3 years ago
4 0
1. 160
You just add normally.
2. -86
3. 89
4. 7
5. -44
6. -14
7. -48
8. 50
9. 70
If you are struggling you can use a website called ixl it cost money but it can really help a lot !
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