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Add Tens

Let's find the sum of 41 and 20.

41 + 20 = ?
 

Here,
41 can be written as 4 tens and 1 one.

20 can be written as 2 tens.
 

So,
41 + 20 = 4 tens + 1 one + 2 tens

 

Now, add tens.
 

4 tens + 1 one + 2 tens

= (4 tens + 2 tens) + 1 one

= 6 tens + 1 one

= 61
 

So, 41 + 20 = 61.





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Help

The correct answer is

Remember :

The smallest number is the one that comes first while counting.

Solution :

To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.

21,27,23

21 is the smallest number.