Matemática discreta Exemplos

$[\begin{array}{c} 2 & 5 \\ - 3 & 6 \end{array}] + [\begin{array}{c} 8 & 8 \\ 7 & 9 \end{array}] - [\begin{array}{c} 4 & 2 \\ 1 & 5 \end{array}]$

Etapa 1

Adicione os elementos correspondentes.

$[\begin{array}{c} 2 + 8 & 5 + 8 \\ - 3 + 7 & 6 + 9 \end{array}] - [\begin{array}{c} 4 & 2 \\ 1 & 5 \end{array}]$

Etapa 2

Simplify each element.

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Etapa 2.1

Some $2$ e $8$ .

$[\begin{array}{c} 10 & 5 + 8 \\ - 3 + 7 & 6 + 9 \end{array}] - [\begin{array}{c} 4 & 2 \\ 1 & 5 \end{array}]$

Etapa 2.2

Some $5$ e $8$ .

$[\begin{array}{c} 10 & 13 \\ - 3 + 7 & 6 + 9 \end{array}] - [\begin{array}{c} 4 & 2 \\ 1 & 5 \end{array}]$

Etapa 2.3

Some $- 3$ e $7$ .

$[\begin{array}{c} 10 & 13 \\ 4 & 6 + 9 \end{array}] - [\begin{array}{c} 4 & 2 \\ 1 & 5 \end{array}]$

Etapa 2.4

Some $6$ e $9$ .

$[\begin{array}{c} 10 & 13 \\ 4 & 15 \end{array}] - [\begin{array}{c} 4 & 2 \\ 1 & 5 \end{array}]$

Etapa 3

Subtraia os elementos correspondentes.

$[\begin{array}{c} 10 - 4 & 13 - 2 \\ 4 - 1 & 15 - 5 \end{array}]$

Etapa 4

Simplify each element.

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Etapa 4.1

Subtraia $4$ de $10$ .

$[\begin{array}{c} 6 & 13 - 2 \\ 4 - 1 & 15 - 5 \end{array}]$

Etapa 4.2

Subtraia $2$ de $13$ .

$[\begin{array}{c} 6 & 11 \\ 4 - 1 & 15 - 5 \end{array}]$

Etapa 4.3

Subtraia $1$ de $4$ .

$[\begin{array}{c} 6 & 11 \\ 3 & 15 - 5 \end{array}]$

Etapa 4.4

Subtraia $5$ de $15$ .

$[\begin{array}{c} 6 & 11 \\ 3 & 10 \end{array}]$