54+86
2.0999999999999996
Sum is the result of an addition problem, while difference is the result of a subtraction problem. Addend Subtractend + Addend - Subtractor Sum Difference
1,400
The sum is 2.05 and you don;t need to estimate such a simple sum!
rounding
54+86
2.0999999999999996
5.13+2.28=7.41
7.000
Oh, isn't that a lovely little math problem we have here? Let's see, if we round 4.204 to 4 and 2.779 to 3, then we can estimate the sum to be around 7. It's like adding up the happy little numbers in our painting, just giving us a general idea of what the total might be. Just a little estimation to help us along our mathematical journey.
10.91
Sum is the result of an addition problem, while difference is the result of a subtraction problem. Addend Subtractend + Addend - Subtractor Sum Difference
1,400
Notice that each of the three numbers is rather close to 9,000. The estimated sum is 27,000.
The sum is 2.05 and you don;t need to estimate such a simple sum!
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