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                                        3 Shprehjet me ndryshore (vazhdim) 293.3 Mbledhja dhe zbritja e thyesave racionale1 Kryeni veprimet:a) x + 35 – x – 25 ; b) m + nx + m + m – nx + m; c) x + 3a – 3 + x + 4a – 3 + 7 – 2xa – 3 .2 Kryeni veprimet:a) 5x12 + 3x18 ; b) x2 + x5 + x10 ;c) 3x – 1 + 11 – x; d) 4m + nm2 – n2 + n – mn2 – m2.3 Kryeni veprimet:a) m2 + nm – m; b) x + x + yy;c) 2x – 5y2 + y – 3x – y4 ; d) 3x – 13x – 9 – xx – 3 .4 Kryeni veprimet:a) xx – a – ax + a ; b) 2x5x – 5y + 3y5x + 5y; c) 52x – 2 + 35x – 5.5 Kryeni veprimet:a) x + yx – xx – y + y2x2 – xy; b) 72x – 4 – 3x + 2 – 12x2 – 4;c) 3 – 4x2x – 3 – 4 + 5x2x + 3 – 3 + x – 10x24x2 – 9 ; d) 2x – 12x – 2x2x – 1 + 14x2 – 2x .6 Vërtetoni identitetet:a) 1 – x + x2 – x31 + x = 11 + x; b) 11 + x + 11 – x – 2x1 – x = 21 + x;c) 1(m – n) (m – p) – 1(m – n) (n – p) + 1(m – p) (n – p) = 0.

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