a)1×1/-2=-0,5
b)(-36):(-9)= 4
c) -49×1/7 =-7
d)4,5/1/-3=-1,5
e) -80/-4= 20
f)150/-50=-3
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a)1×1/-2=-0,5
b)(-36):(-9)= 4
c) -49×1/7 =-7
d)4,5/1/-3=-1,5
e) -80/-4= 20
f)150/-50=-3