If the two sides of an addition sentence are equal, then the sentence is said to be true.
For example: Consider the addition sentence.
3 + 7 = 7
Let's check if the given addition sentence is true.
Find the sum of 3 and 7.
3 + 7 is not equal to 7.
So, the given addition sentence 3 + 7 = 7 is not true.
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The correct answer is
The smallest number is the one that comes first while counting.
To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.
21 is the smallest number.