下圖中圖A繞O點(diǎn)旋轉(zhuǎn)180°就可得圖B.
                                                                                                                                                                                                              [     ]
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

同步練習(xí)冊(cè)答案