ladiva1530 ladiva1530

20-03-2020
Mathematics

contestada

Ralph says he can rewrite (4+5)+21 as 9+21. Do you agree ?why or why not?

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orignalavaone orignalavaone

20-03-2020

I agree because parentheses always go first and 4+5 equals 9 so in conclusion ralph is correct and the answer would be 30

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Аноним Аноним

20-03-2020

I agree because 4+5 is the same as 9 but without parentheses.

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