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Assessment

1. (+21) - (-11)=

2.(-76) - (-34)

3.(+98)- (-45)=

4.(-987)-(+103)=

5.(79)-(35)=

6.(-989)-(876)=

7.(+798)-(-89)=

8.(+785)-(280)=

9.(-111)-(+345)=

10.(-987)-(+78)=