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Mathematics 15 Online
OpenStudy (anonymous):

Write a mathematical expression for: the sum of twice a number n and 20. n/2 + 20 2n + 20 2n - 20 n + 2(20) .

OpenStudy (anonymous):

|dw:1350324805969:dw|

OpenStudy (anonymous):

Evaluate 3 + 2 • 4.

OpenStudy (anonymous):

|dw:1350324872697:dw|

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