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Mathematics, 09.02.2021 01:00 mac7210

1. Evaluate each expression: a. −12•13

b. −12•−13

c. 12•(−54)

d. −12•(−54)

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1. Evaluate each expression: a. −12•13

b. −12•−13

c. 12•(−54)

d. −...

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