Question

Calcule ! +15:(3 ) =
20:(-5 )=
81:3 =
Me ajudem por Favor ! eu preciso da resposta ​

Answer 1

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Resultados

a) $\color{Gold}\textsf{\Large 5}$

b) $\color{Gold}\textsf{\Large -4}$

c) $\color{Gold}\textsf{\Large 27}$

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$\color{red}\textsf{\large \ - com - será +}$

$\color{red}\textsf{\large \ - com + será -}$

$\color{red}\textsf{\large + com - será -}$

$\color{red}\textsf{\large + com + será +}$

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Calculo

• 15 ÷ (3)
• 15 ÷ 3
• $\color{Gold}\textsf{5}$

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

• 20 ÷ (-5)
• 20 ÷ -5
• $\color{Gold}\textsf{-4}$

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

• 81 ÷ 3
• $\color{Gold}\textsf{27}$