Question

1+(-0,47)-(1,9)-(0,63)=

Answer 1

$1+(-0.47)-(1.9)-(0.63)$

Regra do sinal

$1-0.47-1.9-0.63$

$0.53-1.9-0.63$

$-1.37-0.63$

$-2$

Answer 2

1+(-0,47)-(1,9)-(0,63)= -2