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zzvitya2002
@zzvitya2002
August 2022
1
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Найдите значение выражение (1/5a+1/7a)*a^2/4 при a=7,7
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IngaPetrovna
(1/5а + 1/7а) * a^2/4 = (7/35a + 5/35a) * a^2/4 = 12/35a * a^2/4 = 3a/35;
при а = 7,7.
3 * 7,7/35 = 23,1/35 = 0,66
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при а = 7,7.
3 * 7,7/35 = 23,1/35 = 0,66