Question

A)-25+18= B)-16-17=. C) 17-28+ 18= D)-14+23-17=​

Answer 1

Gabarito:

$\boxed{ \mathtt{a) \red{ - 7}}} \boxed{ \mathtt{b) \red{ - 33}}} \boxed{ \mathtt{ c)\red{7}}} \boxed{ \mathtt{ d)\red{ - 8}}}$

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$\mathtt{\red{Como~fazer?}}$

Só basta você soma e subtrair os números com base na regras de sinais.

$\boxed{\begin{array}{lr} \green{( - ) \times ( - )} = \red{ + } \\ \\ \green{( + ) \times ( + )} = \red{ + } \\ \\ \green{ ( - ) \times ( + )} = \red{ - } \\ \\ \green{( + ) \times ( - )} = \red{ - }\end{array}}$

Resumindo sinais iguais da positivo e os sinais diferentes da negativo.

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$\mathtt{\purple{Vamos~fazer!!!}}$

(A)

$\boxed{\begin{array}{lr} \green{ - 25 + 18} \\ \\ \red{ - 7}\end{array}}$

(B)

$\boxed{\begin{array}{lr} \green{ - 16 - 17} \\ \\ \red{ - 33}\end{array}}$

(C)

$\boxed{\begin{array}{lr} \green{17 - 28 + 18 } \\ \\ \gray{ - 11 + 18} \\ \\ \red{7}\end{array}}$

(D)

$\boxed{\begin{array}{lr} \green{ - 14 + 23 - 17} \\ \\ \gray{9 - 17} \\ \\ \red{ - 8}\end{array}}$

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$\mathsf{\pink{Aprenda~mais~em:}}$

• https://brainly.com.br/tarefa/17056646

• https://brainly.com.br/tarefa/39620314

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$\boxed{\begin{array}{lr}\green{\infty}\mathbf{ \:By: Kponys}\end{array}}$

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$\Huge{\mathbb{\blue{Espero~ter~ajudado!!!}}}$