\(-418-\left\{-218-\left[-118-\left(-318\right)+2020\right]\right\}\)
\(=-418-\left\{-218-\left[200+2020\right]\right\}\)
\(=-418-\left\{-218-2220\right\}\)
\(=-418+218-2220\)
\(=-200-2220\)
\(=-2420\)
@ Huy @ nhầm từ dấu bằng thứ 3. Phá ngoặc đổi dấu.
Nguyễn Linh Chi dạ vâng để e lm lại :))
\(-418-\left\{-218-\left[-118-\left(-318\right)+2020\right]\right\}\)
\(=-418-\left\{-218-\left[200+2020\right]\right\}\)
\(=-418-\left\{-218-200-2020\right\}\)
\(=-418-\left(-2438\right)\)
\(=2020\)
