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Extra Insights
Did you know that basic operations in mathematics have been around since ancient civilizations? The Babylonians used a base-60 number system, making their mathematical practices quite complex compared to our current base-10 system. It’s fascinating to think how our current arithmetic methods stem from these ancient skills! Now, considering this expression, a common mistake is overlooking the order of operations. Always remember to solve within parentheses first and then proceed with division or multiplication. Breaking down \( (7 \times 5) \) gives you 35, and then \( 35 \div 5 \) results in 7. Simple and sweet!