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OpenStudy (anonymous):

Multiply. 13 · 3?

6 years ago
OpenStudy (anonymous):

39

6 years ago
OpenStudy (anonymous):

13x3 is 13+13+13 which is 39

6 years ago
OpenStudy (anonymous):

-13 *3??

6 years ago
OpenStudy (anonymous):

-13*3 = -39

6 years ago
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