①把△ABC向上平移5個(gè)單位后得到對(duì)應(yīng)的△A1B1C1 , 畫(huà)出△A1B1C1 , 并寫(xiě)出C1的坐標(biāo);
②以原點(diǎn)O為對(duì)稱中心,畫(huà)出△ABC與關(guān)于原點(diǎn)對(duì)稱的△A2B2C2 , 并寫(xiě)出點(diǎn)C2的坐標(biāo);
③以原點(diǎn)O為旋轉(zhuǎn)中心,畫(huà)出把△ABC順時(shí)針旋轉(zhuǎn)90°的圖形△A3B3C3 , 并寫(xiě)出C3的坐標(biāo).