The PEMDAS rule (Parentheses, Exponents, Multiplication/Division left to right, Addition/Subtraction left to right) determines the correct order of operations in mathematical expressions, ensuring accurate results by following a specific sequence rather than solving from left to right.
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Only 1% of People Can Solve This Math Puzzle! 🧠Added:
Hey folks.
In this video, we're going to solve questions that 99% of people get wrong.
8 - 8 = 0 and 5 - 5 = 0 and 0 * 0 = 0, but this answer is wrong because we didn't follow the PEMDAS rule.
PEMDAS is a rule I use to know what part of a math expression to solve first. It helps me do calculations in the right order so the answer doesn't get mixed up. First, I do parentheses, then exponents, then multiplication and division from left to right, and finally addition and subtraction from left to right.
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Based on the PEMDAS rule, we first solve the expression inside the parentheses.
5 - 5 = 0, so the expression becomes 8 - 8 * 0.
According to the order of operations, multiplication comes first and 8 * 0 = 0.
Consequently, 8 - 0 = 8.
Now let's make the question a little more complicated.
8 - 7 = 1 and again 8 - 7 = 1 and the product of 1 and 1 = 1.
But this answer is wrong. Let's go and solve it correctly.
According to the PEMDAS rule, we first perform the multiplication. 7 * 8 = 56.
Then we perform the subtractions from left to right. 8 - 56 - 7 = -55.
Now let's move on to the last question, which is very hard and complicated.
This is one of those very difficult Olympiad questions that everyone solves incorrectly.
8 + 2 = 10 and 10 * 4 = 40.
The result inside the parentheses is 6 and 40 multiplied by six equals 240, which when divided by four equals 60.
But this answer is wrong because we haven't paid attention to the order of mathematical operations.
According to the PEMDAS rule, we first solve inside the parentheses. 8 minus 2 equals 6, and the expression becomes 8 plus 2 multiplied by 4 multiplied by 6 divided by 4.
Following the PEMDAS rule, we perform multiplication and division from left to right. 2 * 4 = 8, 8 * 6 = 48, and 48 / 4 = 12.
Finally, 8 + 12 = 20.
Please write the answer to this question in the comments.
I'll post the solution to this question in the next video.
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