已知x6﹣b•x2b+1=x11,且ya﹣1•y4﹣b=y5,求a+b的值.
解:∵x6﹣b•x2b+1=x11,且ya﹣1•y4﹣b=y5,
岳飞诗曰:“壮士饥餐胡虏肉,笑谈渴饮匈奴血。”在这里,匈奴是指( )
I find difficult for Tom to reach that picture.He is a little short.