一辆摩托车t小时行s千米,a小时行(  )千米. A.ast B.sat C.ats

问题描述:

一辆摩托车t小时行s千米,a小时行(  )千米.
A.

as
t

B.
s
at

C.
at
s

s÷t×a,
=

as
t
(千米);
故选:A.