关于OA11A1A22A2A34AnAn12的百科

• 如图,直线y=x上有点A1,A2,A3,…An+1且OA1=1,A1A2=2,A2A3=4,AnAn+1=2分...

• 问题详情：如图,直线y=x上有点A1,A2,A3,…An+1且OA1=1,A1A2=2,A2A3=4,AnAn+1=2分别过点A1,A2,A3,…An+1作直线y=x的垂线,交y轴于点B1,B2,B3,…Bn+1,依次连接A1B2,A2B3,A3B4,…AnBn+1得到△A1B1B2,△A2B2B3,△A3B3B4,…△AnBnBn+1,则△AnBnBn+1的面积为        .(用...
• 2020-06-0427269