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b= 11/6-10/3= -3/2= -1 1/2
c= -3,2
d= -4,5-9/4= -4,5-2,25= -6,75
e= -19/6-(-35/6)= -19/6+35/6=8/3=2 2/3
f= 22/3+(-29/6)=22/3-29/6=5/2=2 1/2
g= -39/7+7=10/7=1 3/7
h= -7,77
i= -6-(-41/9)= -6+41/9= -13/9= -1 4/9
b) 1 - 3 = - = - = - = -
c) 4,3 - 7,5 = - = -= -3,2
d) -4,5 - 2 = - - = - - = = = 6,75
e) -3 -(-5) = -3+5 = = 2 = 2
f) 7 + (-4) = - = - = = 2 = 2
g) -5 + 7 = 1
h) 1,23-9 = - = - = -7,77
i) -6 -(-4) = -6 + 4 = - + = -