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What number is one less than 4?

K-Identifying numbers less than a 2 digit number
The question content

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In case of an incorrect answer

K-Identifying numbers less than a 2 digit number - answer incorrect
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K-Identifying numbers less than a 2 digit number - solution 1
Step 1

In case of a correct answer

K-Identifying numbers less than a 2 digit number - answer correct
Correct result

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