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2)a) (-2)^5 - 2^5+7^0= -32-32+1=-63
b) 4^4-(-4)^4+(-1)^1= 16-16-1=-1
a) |-3| * |4 - 7| * |12 - 5| : (-9) = 3 * 3 * 7 : (-9) = 9 * 7 : (-9) = -7
b) (-2 8/11) * |12 1/3 - 7,2| = -30/11 * |37/3 - 72/10| = -30/11 * |370/30 - 216/30| = -30/11 * 154/30 = -(30 * 154) / 330 = -3 * 154 / 33 = -154 / 11 = -14
Zad.2:
a) (-2)^5 - 2^5 + 7^0 = - 2^5 - 2^5 + 1 = -2 * 2^5 + 1 = 1 - 2^6 = 1 - 64 = -63
b) 4^4 - (-4)^4 + (-1)^1 = 4^4 - 4^4 - 1 = -1