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(3-1/3)la puterea a 2 a + (2-1/2)la puterea a2a - (1 intreg si 1/2)la puterea a2a


Răspuns :

(3-1/3)²+(2-1/2)²-(1intreg1/2)²=
[(9-1)/3]²+[(4-1)/2]²-(3/2)²=
(8/3)²+(3/2)²-9/4=
64/9+9/4-9/4=64/9=7,(1)