Brainteasers involving math frequently pique the interest of social media users. Why? It facilitates their relaxation and provides a reprieve from the demands of everyday life. Additionally, puzzle fans are required to solve it entirely mentally, without the use of a calculator or paper and pen.
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In response:
The BODMAS rule states that we must solve addition, subtraction, multiplication, and division problems from left to right. Since we have 11-121+11, we must solve 11-121 first.
Afterward, we will multiply 11 by 11 to get 121, which we will then subtract by 11. Thus, we would have -110, which we would then add to 11 to get -99.
