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Mathematics 7 Online
OpenStudy (anonymous):

13.45 + (-31.378)

OpenStudy (anonymous):

-17.928

OpenStudy (kamibug):

When you are adding a negative it's the same things as subtracting. :) You can just change this to 13.45 - 31.378

OpenStudy (anonymous):

do u need any help, or do u understand it?

jhonyy9 (jhonyy9):

- 31,378 - 13,45 --------- - 17,928

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