Question

resolva a expressão (-21+40).(8+9-1)​

Answer 1

→ Cálculo :

$\\{{\boxed{\begin{array}{lr} {(-21+40)\times(8+9-1)=} \\ \\ {19\times(17-1)=}\\ \\{19\times16=}\\\\\boxed{\red{304}} \\ \end{array}}}}$

Answer 2

Resposta:(-21+40).(8+9-1)

19×16: 114+190: (304)

Resposta: 304