Question

若m-n=1,则2m-(n-m)^2010-2(n-3)=_______.

谢谢，我不太明白，麻烦告诉我过程好吗？
我算的是得5，可是不对，呵呵，麻烦了~！

Answer 1

2m-(n-m)^2010-2(n-3)
= 2m -(-1)^2010 -2n+6
= 2(m-n)-1+6
= 2-1+6
= 7

Answer 2

2m-(n-m)^2010-2(n-3)
=2m-(m-n)^2010-2n+6
=2(m-n)-(m-n)^2010+6
=2×1-1^2010+6
=7

Answer 3

2m-(n-m)^2010-2(n-3)
=2m-2n+6-(n-m)^2010
=2(m-n)+6-(n-m)^2010
=2*1+6-(-1)^2010
=8-1
=7

Answer 4

7
2m-(n-m)-2(n-3)
=2m-1-2n+6
=2(m-n)+5
=7