Dodawanie liczb wymiernych
a) 6,5 + ( - 0,025) + (0,025) + (- 9/2) + (0,05) + (-1,2)b) (-3/4) + ( - 8 5/8) + (- 6 5/6) + (- 1 3/8)
c)(-14 1/2) + (- 7 3/5) + (+ 8 1/5) + ( - 6,3)
d) 20 + (- 16,3) + (+ 4 1/3) + (- 18 2/3)
e) ( - 0,6) + 2 3/8 + (- 7 5/8) + (-1/2) + 0
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a)=6,475-4.475-1.15=0.85
b)=-75/8-197/4=-58.625
c)=-6.9+1.9=8.8
d)=3.7-8 1/3 = -4 19/30
e)=-1 31/40-8 1/8=-6.35