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a) (-1/4)+(-1/2)-(-1/8)+(-3/3)-(-5/4)-(-1/6)-(-3/8)+5/6= b) (0,75+1/4)*(2,5-3/4):1/4+8= c) (1/3+5/6)*11i1/7=
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a) (-1/4)+(-1/2)-(-1/8)+(-3/3)-(-5/4)-(-1/6)-(-3/8)+5/6= -1/4-1/2+1/8-3/3+5/4+1/6+3/8+5/6= 4/4+6/6-3/3-1/2+4/8= 1+1-1-4/8+4/8=1 b) (0,75+1/4)*(2,5-3/4):1/4+8= (3/4+1/4)*(2i1/2-3/4):1/4+8= 1*(10/4-3/4):1/4+8= 1*7/4:1/4+8= 7+8=15 c) (1/3+5/6)*11i1/7= (2/6+5/6)*78/7= 7/6*78/7= 78/6=13
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