用计算器求tan35°的值,按键顺序是____
如图,重力为60N的木箱静止在斜面上,用力的示意图画出木箱所受到的重力和木箱对斜面的压力.
Sam ____ to wear my T-shirt this morning. ( )
2×( )<15____
( )×7<36____
( )×7<22____
6×( )<43____