Question

已知1/4+1/2(x+1/2013)=3/4,你能用较简单的值求出式子4-2018（x+1/2013）的值吗?

Answer 1

1/4+1/2(x+1/2013)=3/4 两边同时乘以4得

1+2(x+1/2013)=3

2(x+1/2013)=3-1

2(x+1/2013)=2

x+1/2013=1

∴4-2018(x+1/2013)

=4-2018

=-2014