Abstract: All 1-Wire® device data sheets describe two sets of commands. The first set referred to as ROM Function Commands are used for device identification and selection. The second set is often called Memory Function Commands but may contain other non-memory operations. A ROM Function ...
[题目]如图.已知∠ABC=90°.△ABE是等边三角形.点P为射线BC上任意一点.连接AP.将线段AP绕点A逆时针旋转60°得到线段AQ.连接QE并延长交射线BC于点F.(1)如图.当BP=BA时.∠EBF= °.猜想∠QFC = °,(2)如图.当点P为射线BC上任意一点时.猜想∠QFC的度数.并加以证明.(3)已知
[题目]如图.已知∠ABC=90°.△ABE是等边三角形.点P为射线BC上任意一点.连接AP.将线段AP绕点A逆时针旋转60°得到线段AQ.连接QE并延长交射线BC于点F.(1)如图.当BP=BA时.∠EBF= °.猜想∠QFC = °,(2)如图.当点P为射线BC上任意一点时.猜想∠QFC的度数.并加以证明.(3)已知