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423 - 89

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423 - 89

334

Subtraction means distance on the number line. From 89 to 100 is 11, from 100 to 400 is 300, and from 400 to 423 is 23. Therefore, 423 - 89 = 11 + 300 + 23 = 334.

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423 - 89

423 - 89