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13 August, 16:52

What is the strategy for 29 + 31

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  1. 13 August, 16:58
    0
    The strategy is to even out the numbers mentally. Since 29 is 30-1 and 31 is 30+1, you can use your mental math skills to convert the problem into 30+30, which would then be an easier solved problem; the answer is 60. Sorry if this sounds confusing!
  2. 13 August, 17:10
    0
    Put them one on top of each other and answer each line at a time
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