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Questions and Answers
What is the unknown number if 135 is added to 267?
What is the unknown number if 135 is added to 267?
402
If a number is subtracted from 456 and the result is 298, what is the number?
If a number is subtracted from 456 and the result is 298, what is the number?
158
If you add 378 to an unknown number and the result is 593, what is the unknown number?
If you add 378 to an unknown number and the result is 593, what is the unknown number?
215
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Study Notes
Solving Unknown Numbers
- 135 is added to an unknown number to get 267, implying the unknown number is 267 - 135 = 132.
- An unknown number is subtracted from 456 to get 298, implying the unknown number is 456 - 298 = 158.
- 378 is added to an unknown number to get 593, implying the unknown number is 593 - 378 = 215.
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