中学生网络课堂本课配套习题挑战模式1/5
如图在直角坐标系中，第一次将△OAB变换成△OA1B1，第二次将△OA1B1变换成△OA2B2，第三次将△OA2B2变换成△OA3B3，由A（1，3），A1（2，3），A2（4，3），A3（8，3），B（2，0），B1（4，0），B2（8，0），B3（16，0）.观察每次变换前后的三角形有何变化，找出规律，按此变换规律将△OA4B4变换成△OA5B5，则A5的坐标是（ ），B5的坐标是（ ）
| A: （16，3）,（64，0） |
| B: （32，3），（64，0） |
| C: （32，3），（32，0） |
| D: （64，3）,（32，0） |
- 提示1：PHA+5a+55LqOQTxzdWI+MTwvc3ViPu+8jEE8c3ViPjI8L3N1Yj7vvIxBPHN1Yj5uPC9zdWI+5Z2Q5qCH5om+6KeE5b6L5Y+v5bCG5YW25YaZ5oiQ56uW5YiX77yM5q+U6L6D5LuO6ICM5Y+R546wQTxzdWI+bjwvc3ViPueahOaoquWdkOagh+S4ujI8c3VwPm48L3N1cD7vvIzogIznurXlnZDmoIfpg73mmK8z77yM5ZCM55CGQjxzdWI+MTwvc3ViPu+8jEI8c3ViPjI8L3N1Yj7vvIxCPHN1Yj5uPC9zdWI+5Lmf5LiA5qC35om+6KeE5b6LLjwvcD4=
- 答案：Qg==
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
本课配套习题挑战模式2/5
在平面直角坐标系中，我们把横、纵坐标都是整数的且互为相反数的两个点成为一组对称整点，观察如图所示的中心在原点、一边平行x轴的正方形，边长为1的正方形中没有对称整点；边长为2的正方形中有4组对称整点；边长为4的正方形中有12组对称整点，则边长为10的正方形中，对称整点的组数为（ ）
| A: 80 |
| B: 60 |
| C: 56 |
| D: 40 |
- 提示1：PHA+5qC55o2u5q2j5pa55b2i55qE5a+556ew5oCn5Lul5Y+K5a+556ew5pW054K555qE5a6a5LmJ77yM5om+5Ye6eei9tOWPs+S+p+eahOaVtOaVsOeCue+8jOWcqHnovbTlt6bkvqfpg73mnInkuIDkuKrnm7jlupTnmoTmlbTmlbDngrnkuLrlhbblr7nnp7DmlbTngrnvvIzlho3liqDkuIp56L205LiK55qE5a+556ew5pW054K55a+55pWw77yM54S25ZCO5om+5Ye65a+556ew5pW054K555qE57uE5pWw55qE5Y+Y5YyW6KeE5b6L5Y2z5Y+v5b6X6KejPC9wPg==
- 答案：Qg==
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
本课配套习题挑战模式3/5
如图，在平面直角坐标系中，A（1，1），B（-1，1），C（-1，-2），D（1，-2）. 把一条长为2012个单位长度且没有弹性的细线（线的粗细忽略不计）的一端固定在点A处，并按A-B-C-D-A-…的规律紧绕在四边形ABCD的边上，则细线另一端所在位置的点的坐标是（ ）
| A: （1，-1） |
| B: （-1，1） |
| C: （-1，-2） |
| D: （1，-2） |
- 提示1：PHA+5qC55o2u54K555qE5Z2Q5qCH5rGC5Ye65Zub6L655b2iQUJDROeahOWRqOmVv++8jOeEtuWQjuaxguWHuuWPpuS4gOerr+aYr+e7leesrOWHoOWciOWQjueahOesrOWHoOS4quWNleS9jemVv+W6pu+8jOS7juiAjOehruWumuetlOahiDwvcD4=
- 答案：Qg==
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
本课配套习题挑战模式4/5
电子跳蚤游戏盘为△ABC（如图），AB=8，AC=9，BC=10，如果电子跳蚤开始时在BC边上P0点，BP0=4，第一步跳蚤跳到AC边上P1点，且CP1=CP0；第二步跳蚤从P1跳到AB边上P2点，且AP2=AP1；第三步跳蚤从P2跳回到BC边上P3点，且BP3=BP2；…跳蚤按上述规定跳下去，第2008次落点为P2008，则点P2008与A点之间的距离为（ ）
| A: 3 |
| B: 4 |
| C: 5 |
| D: 6 |
- 提示1：PHA+6K6k55yf6ZiF6K+76aKY55uu77yM5bCG6Lez6Jqk55qE6L+Q5Yqo6L2o6L+555S75Ye65p2l77yM5om+5Ye66KeE5b6L6L+b6KGM6Kej562UPC9wPg==
- 答案：Qg==
PGRpdj7op6PvvJrlm6DkuLpCUDxzdWI+MDwvc3ViPj0077yM5qC55o2u6aKY5oSP77yMQ1A8c3ViPjA8L3N1Yj49MTAtND0277yMPGJyPuesrOS4gOatpeS7jlA8c3ViPjA8L3N1Yj7liLBQPHN1Yj4xPC9zdWI+77yMQ1A8c3ViPjE8L3N1Yj49Q1A8c3ViPjA8L3N1Yj49Nu+8m0FQPHN1Yj4xPC9zdWI+PTktNj0z77yMPGJyPuesrOS6jOatpeS7jlA8c3ViPjE8L3N1Yj7liLBQPHN1Yj4yPC9zdWI+77yMQVA8c3ViPjI8L3N1Yj49QVA8c3ViPjE8L3N1Yj49M++8m0JQPHN1Yj4yPC9zdWI+PTgtMz0177yMPGJyPuesrOS4ieatpeS7jlA8c3ViPjI8L3N1Yj7liLBQPHN1Yj4zPC9zdWI+77yMQlA8c3ViPjM8L3N1Yj49QlA8c3ViPjI8L3N1Yj49Ne+8m0NQPHN1Yj4zPC9zdWI+PTEwLTU9Ne+8jDxicj7nrKzlm5vmraXku45QPHN1Yj4zPC9zdWI+5YiwUDxzdWI+NDwvc3ViPu+8jENQPHN1Yj40PC9zdWI+PUNQPHN1Yj4zPC9zdWI+PTXvvJtBUDxzdWI+NDwvc3ViPj05LTU9NO+8jDxicj7nrKzkupTmraXku45QPHN1Yj40PC9zdWI+5YiwUDxzdWI+NTwvc3ViPu+8jEFQPHN1Yj41PC9zdWI+PUFQPHN1Yj40PC9zdWI+PTTvvJtCUDxzdWI+NTwvc3ViPj04LTQ9NO+8jDxicj7nrKzlha3mraXku45QPHN1Yj41PC9zdWI+5YiwUDxzdWI+Njwvc3ViPu+8jEJQPHN1Yj42PC9zdWI+PUJQPHN1Yj41PC9zdWI+PTTvvJs8YnI+55Sx5q2k5Y+v55+l77yMUDxzdWI+Njwvc3ViPueCueS4jlA8c3ViPjA8L3N1Yj7ngrnph43lkIjvvIzlj4jlm6DkuLoyMDA4PTbDlzMzNCs077yM5omA5LulUDxzdWI+MjAwODwvc3ViPueCueS4jlA8c3ViPjQ8L3N1Yj7ngrnph43lkIjvvIzliJnngrlQPHN1Yj4yMDA4PC9zdWI+5LiOQeeCueS5i+mXtOeahOi3neemu+S4ukFQPHN1Yj40PC9zdWI+PTQuPGJyPuaVheetlOahiOWhq++8mjQuPC9kaXY+
本课配套习题挑战模式5/5
如图，动点P从（0，2）出发，沿所示方向运动，每当碰到矩形的边时反弹，反弹时反射角等于入射角，当点P第16次碰到矩形的边时，点P的坐标为（ ）
| A: （2,0） |
| B: （4,0） |
| C: （6,2） |
| D: （1,3） |
- 提示1：PHA+5qC55o2u5Y+N5by55pe25Y+N5bCE6KeS562J5LqO5YWl5bCE6KeS5L2c5Ye65Zu+5b2i77yM54S25ZCO5Yik5pat5Ye656ysNuasoeWPjeW8ueaXtuWbnuWIsOWHuuWPkeeCue+8jOeEtuWQjueUqDE26Zmk5LulNu+8jOagueaNruWVhuWSjOS9meaVsOeahOaDheWGteehruWumuWHuuacgOWQjueCuVDnmoTkvY3nva7lkozlnZDmoIfljbPlj68uPC9wPg==
- 答案：Qg==
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
