= (-1018 + 1018) + 342
= 0 + 342
= 342
HỌC TỐT
BY JULIE
(-1018)+(342+1018)= -1018+342+1018
=(-1018+1018)+342
=0+342
=342
k nha~
\(\left(-1018\right)+\left(342+1018\right)\)
\(=\left(-1018\right)+343+1018\)
\(=\left[\left(-1018\right)+1018\right]+342\)
\(=0+342=342\)
(-1018)+(342+1018)= -1018+342+1018=(-1018+1018)+342=0+342=342
(-1018)+(342+1018)= -1018+342+1018
=(-1018+1018)+342
=0+342
=342