Jessy08 Jessy08

27-09-2017
Mathematics

contestada

Is |a+b|=|a|+|b| for all rational numbers a and b? Explain.

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Аноним Аноним

27-09-2017

yes, because it does not matter where the absolute value lines are, as long as they surround all numbers

for example

|-2+-2|=4
or |-2|+|-2|=4

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