Answers

2015-07-30T17:18:16+08:00
The answer is 220. Solution: 111 + 109 _______ •9+1 = 10 (then put number 0 down and carry 1) 1+0 = 1 + 1 (the carried number) = 2 Then, lastly, 1 + 1 = 2 So the answer is "220"...
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2015-07-30T19:15:07+08:00