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a) -7 8/18 - 2 3/18= - 9 11/18
b) 3 3/12 - 8 10/12= -5 7/12
c) -2 9/15 + 7 5/15= 4 11/15
d) -9,22
e) 5,16
f) -3,85
g) -3 1/7 - 1 1/5= -3 5/35 - 1 7/35= -4 12/35
h) 4 5/6 - 8 1/5= 4 25/30 - 8 6/30= -3 11/30
Zad 2
a) 25 5/7 -7= 18 5/7
b) -8 +3= -5
c) -5 +3 8/12= -1 4/12= -1 1/3
d) -0,5 - 0,75+1,5 -0,25= -1,5+1,5=0