Solve: 81÷9÷3+18+27-10 Using Order of Operations

Solve the following problem using the order of operations:

81:9:3+18+27−10=? 81:9:3+18+27-10=\text{?}

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Step-by-step video solution

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00:13 Let's solve this math expression together.
00:17 Remember, always do multiplication and division first, before you add or subtract.
00:23 Start with the division part on its own, and then continue with the rest.
00:36 Work through each step, adding everything up at the end.
00:41 And there you have it, that's the solution!

Step-by-step written solution

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1

Understand the problem

Solve the following problem using the order of operations:

81:9:3+18+27−10=? 81:9:3+18+27-10=\text{?}

2

Step-by-step solution

According to the order of operations rules, we'll place the division exercises in parentheses:

(81:9:3)+18+27−10= (81:9:3)+18+27-10=

Let's solve the expression in parentheses from left to right:

81:9=9 81:9=9

9:3=3 9:3=3

We should obtain the following expression:

3+18+27−10= 3+18+27-10=

Let's solve the expression from left to right:

3+18=21 3+18=21

21+27=48 21+27=48

48−10=38 48-10=38

3

Final Answer

38

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\( 8 + 3 \times 2 = \)

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