Seudónimo Seudónimo

01-09-2016
Mathematics

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I don't know how to do this . Comment bellow to help my please

I dont know how to do this Comment bellow to help my please class=

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Jayci13 Jayci13

01-09-2016

4a. 99m + 81 = 130m. 4b. 40 + 30z = 70z

5a. 24v + 18 = 41v. 5b. 12c + 16 = 28c

6c. 44 + 48v= 92v. 6b. 40 + 12s = 52s.

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