Correcciones 26 marzo

Corrections:

5+3= five + three= eight

2+7= two+seven=nine

6+1=six+one=seven

4+6=four+six=ten

5+3=five +three=eight

11+5= eleven+five=sixteen

14+4= fourteen+four= eighteen

13+7= thirteen+seven=twenty

15+2=fifteen+two=seventeen

2+10=two+ten=twelve