... täøng ca cạc têch cho mäùi hm sau dng bn âäư Karnaugh: e f5(a, b, c) = ∑(1, 4, 5, 6) a f1(a, b, c) = ∑(1, 3, 4, 6) f f6(d, e, f) = ∏(0, 2, 4, 7) b f2(d, e, f) = ∑(1, 4, 5, 7) g f7(r, s, t) = r s t ... (a, b, c, d) = ∏(0, 2, 4, 6, 8) + d(1, 9, 12, 15) 24 Tçm täúi thiãøu họa cạc biãøu thỉïc sau : a ∑ (0, 2, 3, 5, 6, 7, 11, 12, 13) b ∑ (2, 4, 8) + d(0, 3, 7) c ∑ (1, 5, 6, 7, 13) + d(8, 4) 25 Cho ... hm sau : a f (a, b, c, d) = ∑(0, 1, 2, 4, 6, 7, 8, 9, 13, 15) b f (a, b, c, d) = ∑(0, 1, 5, 8, 12, 14, 15) + d(2, 7, 11) Bi ging K Thût Säú Trang 1 56 c f (a, b, c, d) = ∏(1, 2, 4, 9, 11) d f...