Posted on October 5, 2017 by admin Carrying, Practice 2 38 + 49 18 + 19 43 + 58 53 + 27 49 + 45 38 + 16 37 + 24 62 + 29 44 + 57 19 + 43
Posted on October 5, 2017 by admin Adding 10–19, Practice 2 19 + 14 10 + 12 15 + 17 13 + 11 14 + 17 14 + 16 16 + 18 11 + 19 15 + 10 10 + 17
Posted on October 5, 2017 by admin Adding 10, 15, 20, 25, …,, Practice 2 5 + 35 20 + 30 20 + 15 10 + 30 30 + 45 5 + 40 25 + 45 10 + 35 10 + 35 10 + 35
