Solve (3×5-15×1)+3-2: Order of Operations Practice

(3×515×1)+32= (3\times5-15\times1)+3-2=

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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
00:06 Multiplication precedes subtraction
00:12 Continue to solve the expression according to the correct order of operations
00:21 This is the solution

Step-by-step written solution

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1

Understand the problem

(3×515×1)+32= (3\times5-15\times1)+3-2=

2

Step-by-step solution

This simple rule is the order of operations which states that exponentiation precedes multiplication and division, which precede addition and subtraction, and that operations enclosed in parentheses precede all others,

Following the simple rule, multiplication comes before division and subtraction, therefore we calculate the values of the multiplications and then proceed with the operations of division and subtraction

35151+32=1515+32=1 3\cdot5-15\cdot1+3-2= \\ 15-15+3-2= \\ 1 Therefore, the correct answer is answer B.

3

Final Answer

1 1

Practice Quiz

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\( 0+0.2+0.6= \) ?

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