Some of this work's been done at Yale in Karen Wynn's lab, where they look at babies' understanding of addition and subtraction.(其中一些研究是在耶魯大學的凱倫·韋恩實驗室完成的，他們在那里觀察嬰兒對加法和減法的理解。)

Most of these are probably self-explanatory, like addition, subtraction, multiplication and division.(其中大多數(shù)可能都是不言自明的，比如加法、減法、乘法和除法。)

Recently, a study showed that bees could perform arithmetic operations like addition and subtraction.(最近一項研究表明，蜜蜂可以進行加減法的運算。)

Bees are capable of addition and subtraction — using colors in the place of plus and minus symbols.(蜜蜂會做加減法——它們用顏色來代替加號和減號。)

There will be simple tests in addition, subtraction, multiplication, and division.(將會有加減乘除的簡單測試。)

We elves never need that. And addition and subtraction and division and fractions?(什么加法，減法，除法，分數(shù)，我們從來不用它們。)

It also lets you perform mathematical operations like addition, subtraction, division, and multiplication on two statistics.(它還允許您對兩個統(tǒng)計數(shù)據(jù)執(zhí)行諸如加、減、乘、除等數(shù)學運算。)

In other words, we can use the magic of subtraction.(換句話說，我們可以借助減法的魔力。)

Pressing return a couple more times will show an addition and subtraction.(再按兩次回車將顯示加法和減法表達式。)

Atomicity enables the two operations—the subtraction from the savings account and the addition to the checking account—to be treated as a single transaction.(原子性使得這兩個操作——從儲蓄帳戶減錢和向支票帳戶加錢——被當作單個事務處理。)