Solve (8:4:2)-3-1: Order of Operations with Sequential Division

(8:4:2)−3−1= (8:4:2)-3-1=

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Step-by-step video solution

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00:00 Solve the following problem
00:03 Always solve the parentheses first
00:07 Solve the expression according to the order of operations, solve from left to right
00:17 Use the commutative law and arrange in a way that's convenient to solve
00:21 This is the solution

Step-by-step written solution

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1

Understand the problem

(8:4:2)−3−1= (8:4:2)-3-1=

2

Step-by-step solution

According to the rules of the order of operations, we first solve the exercise within parentheses from left to right:

8:4=2 8:4=2

2:2=1 2:2=1

Now we get the exercise:

1−3−1= 1-3-1=

We solve the exercise from left to right:

1−3=−2 1-3=-2

−2−1=−3 -2-1=-3

3

Final Answer

3-

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\( 94+12+6= \)

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