题型:填空题
题类:模拟题
难易度:普通
辽宁省本溪市2019届数学中考模拟试卷(二)
在直角坐标系中,直线l:y=
![](http://math.21cnjy.com/mml2svg?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmfrac%3E%3Cmrow%3E%3Cmsqrt%3E%3Cmn%3E3%3C%2Fmn%3E%3C%2Fmsqrt%3E%3C%2Fmrow%3E%3Cmn%3E3%3C%2Fmn%3E%3C%2Fmfrac%3E%3C%2Fmrow%3E%3C%2Fmath%3E)
x﹣
![](http://math.21cnjy.com/mml2svg?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmfrac%3E%3Cmrow%3E%3Cmsqrt%3E%3Cmn%3E3%3C%2Fmn%3E%3C%2Fmsqrt%3E%3C%2Fmrow%3E%3Cmn%3E3%3C%2Fmn%3E%3C%2Fmfrac%3E%3C%2Fmrow%3E%3C%2Fmath%3E)
与x轴交于点B
1 , 以OB
1为边长作等边△A
1OB
1 , 过点A
1作A
1B
2平行于x轴,交直线l于点B
2 , 以A
1B
2为边长作等边△A
2A
1B
2 , 过点A
2作A
1B
2平行于x轴,交直线l于点B
3 , 以A
2B
3为边长作等边△A
3A
2B
3 , …,则等边△A
2017A
2018B
2018的边长是
.