add up

1. (transitive)To take the sum of; to total.

   Add up the prices and find out how much it will cost.

   When they added up the vaccine doses from all known and anticipate sources, they didn't have enough.

   determine the sum of

2. (intransitive)To accumulate; to amount to.

   If you can save even a couple of dollars per day, it will add up to a lot over a year.

3. (idiomatic, intransitive)To make sense; to be reasonable or consistent.

   His story just doesn't add up. Why would he have been at the restaurant the day before the event?

   be reasonable or logical or comprehensible

1. Something doesn't add up.

   Щось не сходиться. — deniko

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2. Add up this column of figures.

   deSummiere diese Zahlenreihe! — Tamy

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3. Tom added up all the numbers.

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4. What does all this add up to?

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5. The bill added up to three thousand dollars.

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irregular

• add upдодати, додаватиTo take the sum of; to total.
• add onTo incorporate (something extra, often an amount of money) into something else (often a bill).