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(3-1/3)²+(2-1/2)²-(1intreg si 1/2)² 15 puncte

Răspuns :

(3-1/3)²+(2-1/2)²-(1intreg si 1/2)² =

= (8/3)
² + (3/2)² - (3/2)² =

= 64/9 + 9/4  - 9/4 =

= 337/36 - 9/4 = 64/9 
9-1/9+4-1/4-9/4=80/9+13/9-9/4=80/9+4/4 sau si mai simplu80/9+9/9=89/9...iar 89/9....este ireductibila!Sper ca nu amm gresit!O seara frumoasa!