Solve the Expression: 18+2×1 Using Order of Operations

18+2×1= ? 18+2\times1=\text{ ?}

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00:03 Let's solve this math problem together!
00:06 Remember, it's important to do multiplication and division first, before moving on to addition and subtraction.
00:14 Alright, let's go ahead and solve it step by step.
00:17 Great job! This is how we find the solution. Well done!

Step-by-step written solution

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1

Understand the problem

18+2×1= ? 18+2\times1=\text{ ?}

2

Step-by-step solution

According to the order of operations, first put the multiplication operation in parenthesis:

18+(2×1)= ? 18+(2\times1)=\text{ ?}

Then solve the exercise inside the parenthesis:

2×1=2 2\times1=2

Which leaves us with:

18+2=20 18+2=20

3

Final Answer

20

Practice Quiz

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\( 100+5-100+5 \)

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