Mathematics: 3.1 × 22 + 6 ÷ 2 - (3.9 + 3.3)

3.1 × 22 + 6 ÷ 2 - (3.9 + 3.3) - id31226239337578931, isabellawest2

Ответ:

arashworth9766

02.02.2022

$\sf3.1\times22+6\div2-(3.9+3.3)$

PEMDAS, parenthesis first:

$\sf3.1\times22+6\div2-7.2$

Now multiply:

$\sf68.2+6\div2-7.2$

Divide:

$\sf68.2+3-7.2$

Add:

$\sf71.2-7.2$

Subtract:

$\sf64$

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Ответ:

ilizzy1224

13.04.2023

Mathematics

P= 2x +6

A= 5x -10

Step-by-step explanation:

P= 2w + 2l

P= 2*5 + 2(x-2)

P= 10 + 2x -4

P= 2x +6

A= wl

A= 5(x-2)

A= 5x -10

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3.1 × 22 + 6 ÷ 2 - (3.9 + 3.3)

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