Respuesta :

Hello!



If you do not know 1 question;

100-20=80


If you do not know 2 question;

20+20=40 100-40=60


If you do not know 3 question;

20+20+20=60 100-60=40


If you do not know 4 question;

20+20+20+20=80 100-80=20


If you do not know 5 question;

20+20+20+20+20=100 100-100=0


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