2 câu trả lời
$a)A=(-2022)-(111-2022)$
$A=(-2022)-111+2022$
$A=[(-2022)+2022]-111$
$A=0-111$
$A=-111$
$b)B=(-8).(-2).(-5).6$
$B=16.(-30)$
$B=-480$
$#thanhmaii2008$
a) A = (-2022) - (111 - 2022)
A = (-2022) - 111 + 2022
A = [(-2022) + 2022] - 111
A = 0 -111
A = -111
b) B = (-8).(-2).(-5).6
B = [(-2).(-5)].[(-8).6]
B = 10 . -48
B = -480