如图,已知Rt△ABC中,∠C=90°,AC=6,BC=8,则tanA的值为( )
A:35
B:45
C:34
D:43
若分式x-3x+4的值为0,则x的值是( )
下列四个生产生活现象,可以用公理“两点之间,线段最短”来解释的是( )
(____)1. A. school B. plane C. ship
(____)2. A. take B. pick C. train
(____)3. A. skate B. book C. jump
(____)4. A. near B. why C. who
(____)5. A. clothes B. prince C .fairy
- can you hear? - I can hear a bus.