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a fost răspuns

[1,(3)] la puterea 2 - (0,5) la puterea 3
(1,5) la puterea 2 - [0,8(3)] la puterea 2
(2,5) la puterea 2 - [1,(6)] la puterea 2

Răspuns :

a) (4/3)^2 - (1/2)^3 = 16/9 - 1/8 = 128/72 - 9/72 = 119/72; b) (3/2)^2 - (1/6)^2 = 9/4 - 1/36 = 81/36 - 1/36 = 80/36 = 40/18 = 20/9; c) (5/2)^2 - (5/3)^2 = 25/4 - 25/9 = 225/36 - 100/36 = 125/36

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