Đáp án:
g, (-8)-(-10)+l+8l =l12-27l
=2+|-8|-|12-27|
=10-15 =-5
h, ( -8)-(-10)+284 +(-127)
=-257+284 + (-127)
=27+(-127)
= -100
i, l2018-2019l-(-2020) - 2021^0
= 1- ( -2020) -1
=2021 -1
= 2020
k, 19.37 -19. 67 + 30 . (-81)
= 703 - 1273 + ( -2430)
= -570 + ( -2430)
= -3000
333- ( -555) -999 -2021 -(-111)
= 333 + 555 -( 999-111) -2021
= 888 -888-2021
= 0 -2021
= -2021
