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(13/5+11/7+17/11+19/13)-(8/5+4/7+6/11+6/13)=
dau coroana va rooog


Răspuns :

Răspuns

4

Explicație pas cu pas:

(13/5+11/7+17/11+19/13)-(8/5+4/7+6/11+6/13)=

(13/5-8/5)+(11/7-4/7)+(17/11-6/11)+(19/13-6/13)=

5/5+7/7=11/11+13/13=

1+1+1+1=4

as simple as that!!