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Test # 13


1.
The sum of the series : sqr(1) + sqr(2) + sqr(3) + sqr(4) + + sqr(15) is

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Idiom of the Day

according to (someone or something)
as said or told by someone, in agreement with something, in the order of something, in proportion to something
According to our teacher, there will be no class next week.
We did everything according to the terms of the agreement.
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