Va rooooooog! Repede!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Răspuns:
617/5000 sau 0,1234
Explicație pas cu pas:
(1/2 ) ^3 = 1/ ( 2 ^3) = 1/8
(1/25 ) ^2 = 1/( 25 ^2) = 1/625
aducem la acelasi numitor:
1/8 - 1/625 = (1x 625- 1 x8)/625 x8 = 617/5000= ( facand impartirea)= 0,1234