Calculate the Sum: Solving 13 + 2 + 8 Step by Step

13+2+8= 13+2+8=

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Step-by-step video solution

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00:00 Solve
00:02 We will use the substitution law and solve the previous simple addition, let's continue
00:05 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

13+2+8= 13+2+8=

2

Step-by-step solution

We will use the commutative property and first solve the addition exercise on the right:

2+8=10 2+8=10

Now we get:

13+10=23 13+10=23

3

Final Answer

23

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\( 100-(30-21)= \)

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