Question

Valor numérico da expressão 3.{43-[5.60+7.(92-80)]}-2/{4.[800-(32.2+10).2]}-421

Answer 1

Explicação passo a passo:

$3\left\{43-\left[5\cdot \:60+7\left(92-80\right)\right]\right\}-2\left\{4\left[800-\left(32\cdot \:2+10\right)\cdot \:2\right]\right\}-421\\3\left(-341\right)-2\left\{4\left[800-\left(32\cdot \:2+10\right)\cdot \:2\right]\right\}-421\\3\left(-341\right)-2\cdot \:2608-421\\-1023-2\cdot \:2608-421\\-1023-5216-421\\-6239-421\\-6660$