The teacher explained the concept of subtraction to the students.
老师向学生们解释了减法的概念。
She used apples to demonstrate subtraction in class today.
她今天在课堂上用苹果演示了减法。
Understanding subtraction is essential for learning mathematics.
理解减法是学习数学的基础。
They practiced subtraction with different numbers every day.
他们每天用不同的数字练习减法。
His favorite math operation is subtraction because it's challenging.
他最喜欢的数学运算是减法，因为它有挑战性。
She explained how subtraction is the opposite of addition.
她解释了减法是加法的反运算。
The book includes exercises on subtraction for beginners.
这本书为初学者提供了减法练习。
We learned about subtraction and its rules in second grade.
我们在二年级学习了减法及其规则。
Using visual aids can help children understand subtraction.
使用视觉辅助工具可以帮助孩子理解减法。
He found subtraction easier than multiplication in math class.
他发现减法比乘法在数学课上更容易。
subtraction method 减法方法
subtraction process 减法过程
subtraction equation 减法方程
subtraction operation 减法运算
subtraction result 减法结果
subtraction problem 减法问题
subtraction strategy 减法策略
复数: subtractions;
动词: subtract;
