Matemática discreta Exemplos

$[\begin{array}{c} 1 & 0 & 0 & \frac{1280}{90} \\ 0 & 1 & \frac{9}{11} & \frac{1600}{11} \\ 0 & 0 & 1 & \frac{1600}{9} \end{array}]$

Etapa 1

Fatore $10$ de $1280$ .

$[\begin{array}{c} 1 & 0 & 0 & \frac{10 (128)}{90} \\ 0 & 1 & \frac{9}{11} & \frac{1600}{11} \\ 0 & 0 & 1 & \frac{1600}{9} \end{array}]$

Etapa 2

Cancele os fatores comuns.

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Etapa 2.1

Fatore $10$ de $90$ .

$[\begin{array}{c} 1 & 0 & 0 & \frac{10 \cdot 128}{10 \cdot 9} \\ 0 & 1 & \frac{9}{11} & \frac{1600}{11} \\ 0 & 0 & 1 & \frac{1600}{9} \end{array}]$

Etapa 2.2

Cancele o fator comum.

$[\begin{array}{c} 1 & 0 & 0 & \frac{10 \cdot 128}{10 \cdot 9} \\ 0 & 1 & \frac{9}{11} & \frac{1600}{11} \\ 0 & 0 & 1 & \frac{1600}{9} \end{array}]$

Etapa 2.3

Reescreva a expressão.

$[\begin{array}{c} 1 & 0 & 0 & \frac{128}{9} \\ 0 & 1 & \frac{9}{11} & \frac{1600}{11} \\ 0 & 0 & 1 & \frac{1600}{9} \end{array}]$