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Change the order and the grouping of the addends so that you can use mental math to find the sum. Then find the sum. 43+39+43+11=
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Feb 12, 2018
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Change the order and the grouping of the addends so that you can use mental math to find the sum. Then find the sum. 43+39+43+11=
Mathematics
middle-school
Stefano Buliani
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43+43=86
86+39=125
125+11=136
136
Adam Templeton
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Feb 17, 2018
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Adam Templeton
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