When grouping terms into a new set of brackets, the same logic applies in reverse: Placing a
VietJack provides selected exercises with detailed solutions. Quy tắc dấu ngoặc
) in front : Change the signs of terms inside the brackets ( −negative −negative Formula : Example : 2. Grouping Terms (Đặt dấu ngoặc) When grouping terms into a new set of
The is a fundamental concept in grade 6 mathematics used to simplify expressions by removing or adding brackets while maintaining the correct sign of each number. 1. Removing Brackets (Bỏ dấu ngoặc) Quy tбєЇc dấu ngoбє·c