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Verified answer
- 11 - (- 11) = 015 - (- 3) = 18
- 21 - (- 5) = - 16
- 11 - (- 8) = - 3
- 11 - 5 = - 16
Recuerda la ley de los signos;
+ x - = -
- x + = -
+ x + = +
- x - = +
Signos iguales dan positivo, signos contrarios negativos.