一秒能记住1000个单词的 一个人(20秒一个单词第2345个)
一秒能记住1000个单词的 一个人(20秒一个单词第2345个)the science of numbers and shapes. Branches of mathematics include arithmetic algebra geometry and trigonometry .• 数学:
mathematics /ˌmæθəˈmætɪks/ n. 数学:点击收听音频跟读 ↓↓↓ ↓↓↓ ↓↓↓
the school mathematics curriculum
学校数学课程
the science of numbers and shapes. Branches of mathematics include arithmetic algebra geometry and trigonometry .
• 数学: