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Through the variation method, the problem of functional extremum can be transformed into ( ).
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In the scientific calculation software Matlab, by default, the approximate value of π is 3.1416, so the error between the approximate value and the true value is that ( ).
An ancient Greek scholar, Zeno, put forward a paradox that Achilles could never catch up with a tortoise. At that time, he assumed that ( ).
The Shanghai International Athletics Gold Grand Prix is held in 2009，Liu Xiang’s score was 13.15 seconds. According to the slow playback, His actual score was 13.152 seconds, The accurate statement about the error of the result is ( ).
From the perspective of solving indeterminate polynomial equations, compared with the diatonic scale (seven scales), twelve-tone scale are ( ).
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