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- Evolution and Application of Arithmetic Triangle in Chinese Ancient Mathematics 算术三角形在中国古代数学中的演变与应用
- The little boy was not good at arithmetic. 这个小男孩算术不太好。
- He outlined the triangle in red. 他用红笔画出三角形。
- She grounded her pupils well in arithmetic. 她给自己的学生打下良好的算术基础。
- The angles of a triangle total 180. 三角形的三角之和等于180°。
- He got the answer by mental arithmetic. 他用心算得出了答案。
- He is good at mental arithmetic. 他擅长心算。
- I'm good at history but not so hot at arithmetic. 我的历史成绩不错，但算术不太好。
- He brushed up on fractions before taking the arithmetic test. 在参加算术考试前他又重温了分数。
- arithmetic triangle 算术三角形
- What's the correct answer to this arithmetic question? 这道算术问题的正确答案是什么?
- My brother is poor at arithmetic. 我弟弟的算术很差。
- Her school report shows that she is weak at/in arithmetic and biology. 从她的学习成绩单可看出她算术和生物成绩差。
- He tried to prove that the triangle was isosceles. 他想证明那个三角形是等腰的。
- Some hard problems in arithmetic bewilder me. 算术上一些难题使我糊涂。
- We do addition and subtraction in arithmetic. 在算术里，我们作加减运算。
- The boy used to be no good at arithmetic. 过去那男孩算术总是不行。
- To solve by means of arithmetic. 计算用算术方法解决
- He swept a triangle with his finger. 他用手指在空中画了个三角形。
- The teacher grounded his pupils in arithmetic. 老师对他的学生进行算术基础训练。
