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2014-10-24T21:42:17+03:00
A) -0.1=-1/10
-1.2=-12/10=-6/5
1.(3)=12/9=4/3
(-1/10):(-6/5):(4/3)=
(-1/10)*(-5/6)*(3/4)=
15/240=3/48=1/16