设信鸽的飞行速度是X,得:2X+22=170
X=(170-22)/2=85-11=74千米
/ ./ /_ I Hand You
__{^_ _}_ ) }/^ A Rose...
/ /_/^._}_/ // /
( (__{(@)}__}.//_/__A___A______A_______A______A____
__/{/(_)_} )\ \---v----V-----V--Y----v---Y-----
( (__)_)_/ ) >
__/ __///
__,--'
设信鸽的飞行速度是X,得:2X+22=170
X=(170-22)/2=85-11=74千米
/ ./ /_ I Hand You
__{^_ _}_ ) }/^ A Rose...
/ /_/^._}_/ // /
( (__{(@)}__}.//_/__A___A______A_______A______A____
__/{/(_)_} )\ \---v----V-----V--Y----v---Y-----
( (__)_)_/ ) >
__/ __///
__,--'