Early computers did nothing but compute: adding subtracting multiplying and dividing.

早期的计算机只能做加减乘除运算。

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Determine this each day, adding profits and subtracting losses in open trades, and combine this net figure with your trading capital.

每天对此加以计算，在持仓交易中加上盈利，减去亏损，再把这一数字同你的交易资本结合起来。

youdao

Remember, in physics, the potential is defined up to adding or subtracting a constant.

注意，在物理学里面，势可以加上或者减去一个常数。

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Each of those topics - from adding and subtracting to fractions and decimals - is approached in three different stages.

VOA: standard.2010.08.10

We could still say it's-- how good your life is, is a matter of adding up the goods and subtracting the bads.

我们可以说-,你的生活质量，等于把好事加起来再减掉坏事。

耶鲁公开课 - 死亡课程节选

For reason, he writes in a famous passage, "for reason is nothing but reckoning, that is adding and subtracting the consequences of general names agreed upon."

对理性而言，他在一个著名的段落中写到，“推理就是一种计算，也就是将公认为标示或表明思想的,普通名词所构成的序列相加减“

耶鲁公开课 - 政治哲学导论课程节选

My boys spend hours adding and subtracting muscles, a respiratory system, nerve endings, epidermis, etc.

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Adding and subtracting were painfully difficult for me, and I was not able to learn the multiplication tables.

NPR: Living With an Inability to Do Math

The point of layering is to be constantly vigilant of how you're feeling, and adding and subtracting articles of clothing as necessary.

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