SADI Muslihuddin Abumuhammad Abdulloh ibni Mushrifuddin (1203/8, Sheroz—1292, hamon jo), shoir, nasrnavis va mutafakkiri fors-tojik. …
Mufassal »TANOSUBI GARMONIKI
TANOSUBI GARMONIKI, tanosubest, ki uzvhoi mobayniash ba ham barobar buda, uzvi okhirinash ba farqi uzvi avval va uzvi mobayni barobar ast: a: b = b : (a — b). Ba du jamshavandaho b va a — b judo kardani adadi a, ki boyad tanosubi garmonikiro tashkil kunand, taqsimoti garmoniki yo …
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