問題詳情

4. 如下圖,直角△ABC中,分別以三邊長向外作三個正方形。若取正方形ABED的三邊中點為L、K、J並連接。若正方形ACHI和BCGF的面積和為16,則五邊形KLBAJ的面積為 ________________

參考答案

答案:D
難度:適中0.469799
統計:A(17),B(9),C(34),D(70),E(0) #
個人:尚未作答書單:直接教學法特徵

用户評論

chrishuang680】評論

Total Physical ResponseChildren learning their L1 appear to do lots of listening before they speak, and their listening is accompanied by physical responses. 1. TPR heavily utilized imperative: Open the widow, Stand up and so forth. 2. Inject more complex syntax, such as Students, could you draw a rectangle on the chalkboard for me. 3. Right after, students feel more comfortable enough to what they have already learned, they will spontaneously venture a verbal response to questions, and then to ask questions themselves and to continue the process...