|x| = 2²⁰¹⁵

=> x = -(2²⁰¹⁵) hoặc x = 2²⁰¹⁵

Tổng các giá trị thỏa mãn là:

-(2²⁰¹⁵) + 2²⁰¹⁵ = 0.

số bé bằng 426.

TÍCH MÌNH NHA!!! Trịnh Ngọc Linh.

kho qua, mih chiu thoi

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P/s:khó vậy mà lớp 7 sao