11/28-19/35=55/140-76/140=-21/140=
-3/20
0,03:(-3/20)=3/10*(-20/3)=-2
0,1+(-2)=0,1-2=-1,9
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11/28-19/35=55/140-76/140=-21/140=
-3/20
0,03:(-3/20)=3/10*(-20/3)=-2
0,1+(-2)=0,1-2=-1,9