1 1/10−b=7/20; b= (запиши несократимую дробь. Created by annchudnova27. matematika-ru

20; b= (запиши несократимую дробь...

annchudnova27 @annchudnova27

July 2022 2 7 Report

1 1/10−b=7/20;
b=
(запиши несократимую дробь

papagenius

Ответ:

в=3\4

Пошаговое объяснение:

3 votes Thanks 1

parus77

Verified answer

Пошаговое объяснение:

$\begin{gathered}1\frac{1}{{10}}-b=\frac{7}{{20}} \hfill \\b=1\frac{1}{{10}}-\frac{7}{{20}} \hfill \\b=1\frac{2}{{20}}-\frac{7}{{20}} \hfill \\b=\frac{{22}}{{20}}-\frac{7}{{20}}=\frac{{22-7}}{{20}} \hfill \\b=\frac{{15}}{{20}}=\frac{{3*5}}{{4*5}}=\boxed{\frac{3}{4}} \hfill \\ \end{gathered}$

2 votes Thanks 1

Answers & Comments

Verified answer

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