Quy Tбєїc Dбєґu Ngoбє·c (2025)
Quy Tбєїc Dбєґu Ngoбє·c (2025)
) in front : Keep the signs of all terms inside the brackets the same. Formula : Example : Minus sign ( −negative
When removing brackets, look at the sign directly in front of the opening bracket: Plus sign ( Quy tắc dấu ngoặc
When grouping terms into a new set of brackets, the same logic applies in reverse: Placing a ) in front : Keep the signs of
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