# math

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explain how you can find the sum 25 + 59 without paper, pencil or calculator. Find the sum? How do I do this

• math -

You could add 20 and 60 = 80.

Or -- you could add 25 and 60 and subtract 1.

• math -

Do 20+50 which is 70 then 5+9 which is 11 then add 70+11.

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