-14,3 6 + 6 + 5 + 7 (-1,4) = (-86) + 6 + 5 + (-9,8) = -84.8
(23,42 - 54) (-4,12 + 4.04) = (-30.58) (-0.08) = 2.4464
5/9 (-3 6/7) - 3 5/7 3/52 = (-20/63) - (26/7) (3/52) = (-20/63) - (78/364) = -20/63 - 39/182 = (-40/126 - 39/182) = (-80/252 - 39/182) = (-160/504 - 39/182) = (-320/1008 - 39/182) = -359/182 (182/182) = -359/182
(2 1/3 - 3 1/4) (2 3/4 - 0.95) = (7/3 - 13/4) (11/4 - 19/20) = (28/12 - 39/12) (55/20 - 19/20) = (-11/12) (36/20) = -33/60 = -11/20
Therefore, the final result is -11/20.
-14,3 6 + 6 + 5 + 7 (-1,4) = (-86) + 6 + 5 + (-9,8) = -84.8
(23,42 - 54) (-4,12 + 4.04) = (-30.58) (-0.08) = 2.4464
5/9 (-3 6/7) - 3 5/7 3/52 = (-20/63) - (26/7) (3/52) = (-20/63) - (78/364) = -20/63 - 39/182 = (-40/126 - 39/182) = (-80/252 - 39/182) = (-160/504 - 39/182) = (-320/1008 - 39/182) = -359/182 (182/182) = -359/182
(2 1/3 - 3 1/4) (2 3/4 - 0.95) = (7/3 - 13/4) (11/4 - 19/20) = (28/12 - 39/12) (55/20 - 19/20) = (-11/12) (36/20) = -33/60 = -11/20
Therefore, the final result is -11/20.