n.扣除，减法

原形：subtraction复数：subtractions

He is also terrible at subtraction.
他的减法也很差。
They learn subtraction in grade one.
他们在一年级学减法。
They do addition and subtraction in arithmetic.
在算术里，他们作加减运算。
The subtraction of two numbers yields the difference between them.
减去两个数得到它们之间的差。
In mathematics, subtraction is the inverse operation of addition.
在数学中，减法是加法的逆运算。
Sarah quickly performed the subtraction in her head and knew the answer was 7.
莎拉在脑中迅速完成了减法运算，知道答案是7。
The temperature dropped by 5 degrees after the cold front passed through, which can be represented as a simple subtraction problem.
寒流过后气温下降了5度，这可以简化为一个减法问题来表示。
To calculate the remaining balance, subtract your expenses from your income.
要计算剩余余额，需从收入中减去支出。
The process of subtraction involves taking one number away from another to find out what's left.
减法的过程涉及从一个数中减去另一个数以找出剩余的部分。
Children often learn addition before subtraction because it's considered more intuitive.
儿童通常先学习加法再学减法，因为加法被认为更直观一些。
Subtracting a negative number is equivalent to adding its positive counterpart.
减去一个负数等同于加上它的正数对应值。
The equation 10 - 3 = 7 demonstrates a basic subtraction where the minuend is 10, the subtrahend is 3, and the difference is 7.
等式10 - 3 = 7展示了一个基本的减法运算，其中被减数是10，减数是3，差是7。
Understanding the concept of subtraction is crucial for mastering arithmetic at an early age.
理解减法的概念对于在幼年时期掌握算术至关重要。