[1-1/4] ×[1-1/5]×[1-1/6]×[1-1/7]×[1-1/7]. Created by ziroatturkmanova. matematika-ru

7]...

ziroatturkmanova @ziroatturkmanova

July 2022 1 8 Report

[1-1/4] ×[1-1/5]×[1-1/6]×[1-1/7]×[1-1/7]

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Naro4Ka2021

Ответ:

18/49

Пошаговое объяснение:

[1-1/4] ×[1-1/5]×[1-1/6]×[1-1/7]×[1-1/7]

$1-\frac{1}{4} =\frac{3}{4} \\\\1-\frac{1}{5} =\frac{4}{5} \\\\1-\frac{1}{6} =\frac{5}{6} \\\\1-\frac{1}{7} =\frac{6}{7}\\\\\frac{3}{4} *\frac{4}{5} *\frac{5}{6} *\frac{6}{7} *\frac{6}{7} =3*\frac{6}{49} =\frac{18}{49}$

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