1) 8,3-10= -1,7
2) -2 1/2-(-3)=-5/2+3/1= -5/2+6/2=1/2
3) 9 1/5-(-13 3/5)=9 1/5+13 3/5=46/5+68/5=114/5=22 4/5
4) -4,75-3 1/4= -4,75-3,25= -8
5) -13,94-(-20)= -13,94+20=6,06
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1) 8,3-10= -1,7
2) -2 1/2-(-3)=-5/2+3/1= -5/2+6/2=1/2
3) 9 1/5-(-13 3/5)=9 1/5+13 3/5=46/5+68/5=114/5=22 4/5
4) -4,75-3 1/4= -4,75-3,25= -8
5) -13,94-(-20)= -13,94+20=6,06