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Use close-but-easier numbers to estimate the answer to this problem 78+43

Use close-but-easier numbers to estimate the answer to this problem 78+43
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Use close-but-easier numbers to estimate the answer to this problem
78+43

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User Chan Tzish
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8.4k points

2 Answers

3 votes
78+43=121 An easier way is to forget the the ones just add the tens 40+70=110 now add the ones 110+8+3=121 hope that helps
answered
User Roberto Bonvallet
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8.3k points
3 votes

Answer: 121

Explanation:

78+43=121

answered
User Cfs
by
8.1k points
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