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1/2-5/11+7/2-9/11
cat face??​


Răspuns :

Răspuns:

Explicație pas cu pas:

1/2-5/11+7/2-9/11=

11/22-10/22+77/22-18/22=

1/22+59/22=

60/22=

30/11

1/2+7/2-5/11-9/11=8/2-14/11=4-14/11