a) -2 1/5 + 3,3
b) 1 5/6 - 3 1/3
c) 4,3 - 7,5
d) -4,5 - 2 1/4
e) -3 1/6 - (-5 5/6 )
f) 7 1/3 + ( -4 5/6 )
g) -5 4/7 + 7
h) 1,23-9
i) -6-(-4 5/9 )
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