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教育资讯与资源
小学~高中全学段全学科,与课程章节匹配
3 勾股定理的应用
3 勾股定理的应用
2 一定是直角三角形吗
2 一定是直角三角形吗
勾股定理的图形验证
勾股定理的图形验证
探索勾股定理
探索勾股定理
探索勾股定理
Listen and Speak
Listen and Speak
Listening: Online Time
Reading: Problems Page
Reading: Problems Page
Listening: A picnic
Writing: Communication Tools in My Family
Writing: What will My Life Be like in 20 Years
Writing: My Health Habits
Speaking: Seeing a doctor
Listening: Online Time
Listening: Online Time
Reading: Problems Page
Reading: Problems Page
Listening: A picnic