замените вычитание сложением и вычитанием
(+6)-(-8)= (+9)-(-5)= (-7.1)-(-7.1)=
(-1)-(-3)= (+4)-(+4 (-7.1)-(+7.1)=
(-9)-(+10)= (-6)-(-11)= (+7.1)-(-7.1)
(+6)-(-8)= (+9)-(-5)= (-7.1)-(-7.1)=
(-1)-(-3)= (+4)-(+4 (-7.1)-(+7.1)=
(-9)-(+10)= (-6)-(-11)= (+7.1)-(-7.1)
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Verified answer
(+6)-(-8)= 6+8=14(+9)-(-5)=9+5=14
(-7.1)-(-7.1)= -7,1+7,1=0
(-1)-(-3)=-1+3=3-1=2
(+4)-(+4) =4-4=0
(-7.1)-(+7.1)=-7,1-7,1=-14,2
(-9)-(+10)=-9-10=-19
(-6)-(-11)=-6+11=11-6=5
(+7.1)-(-7.1)=7,1-7,1=0