arithmetic

柯林斯詞典

1. N-UNCOUNT Arithmetic is the part of mathematics that is concerned with the addition, subtraction, multiplication, and division of numbers. 算術(shù)
...teaching the basics of reading, writing and arithmetic. …教授讀、寫、算的基本知識。
2. N-UNCOUNT You can use arithmetic to refer to the process of doing a particular sum or calculation. 計算
4,000 women put in ten rupees each, which if my arithmetic is right adds up to 40,000 rupees. 4千名婦女每人交10盧比，如果我的計算準確的話加起來總共是4萬盧比。
3. N-UNCOUNT If you refer to the arithmetic of a situation, you are concerned with those aspects of it that can be expressed in numbers, and how they affect the situation. (某形勢的) 數(shù)據(jù)
The arithmetic was discouraging. In less than two months, they had used up six months' worth of food. 數(shù)據(jù)不容樂觀。在不到兩個月里，他們已經(jīng)吃完了6個月的食物。

What does all that add up to? I'm afraid my mental arithmetic isn't very good.
These kids have had seven years in school and they can't even do some simple arithmetic!
She was taught reading , writing and arithmetic at the village school .
He tried to do his tax form but he couldn't work out all the arithmetic.
I couldn't work in a post office - there is too much arithmetic involved !