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72/77×(2/36+5/12+14/48)-10​

Răspuns :

Răspuns:

72/77×(⁴⁾2/36+¹²⁾5/12+³⁾14/48)-10​=

72/77×(8/144+60/144+42/144)-10=

72/77×110/144-10=

5/7-⁷⁾10=

5/7-70/7=

-65/7