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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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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=

User Stefano Buliani
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1 Answer

4 votes
43+43=86
86+39=125
125+11=136
136
User Adam Templeton
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