Răspuns :
10x(8-6-2):2=
=10x0:2=
=0.
10x(8-6)-2:2=
=10x2-1=
=20-1=19.
10x(8-6-2:2)=
=10x(2-1)=
=10x1=10
=10x0:2=
=0.
10x(8-6)-2:2=
=10x2-1=
=20-1=19.
10x(8-6-2:2)=
=10x(2-1)=
=10x1=10
10×(8-6-2)÷2=0
10×(8-6)-2÷2=10×2-1=20-1=19
10×(8-6-2÷2)=10×(8-6-1)=10×1=10
10×(8-6)-2÷2=10×2-1=20-1=19
10×(8-6-2÷2)=10×(8-6-1)=10×1=10