Question

3. Qual o valor de 1/2 -(-5/10)​

Answer 1

$\frac{1}{2} - ( \frac{5}{10} )$

$\frac{1}{2} + \frac{5}{10}$

$\frac{5 \: + \: 5}{10}$

$\frac{10}{10 }$

$= 1$

desculpa qualquer erro!

Answer 2

Resposta:

$=1$

Explicação passo a passo:

$>Regra \ de \ sinais:\\\\(+) \ com\ (+)=(+)\\\\(-) \ com \ (-)=(+)\\\\(+) \ com \ (-)=(-)\\\\(-) \ com \ (+)=(-)$

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$>\frac{1}{2} -(-\frac{5}{10} )\\\\=\frac{1}{2} +\frac{5}{10} \\\\=\frac{1}{2} +\frac{1}{2} \\\\=\frac{1+1}{2} \\\\=\frac{2}{2} \\\\=1$