(23+698)-(-23-302)=23+689-23+302
=(-23+23)+(689+302)
=1000
(23 + 698) - (- 23- 302)
= 23 + 698 - 23 + 302
= 698 + 302 = 1000.
(23+698)-(-23-302)
=23+698-23+302
=(23-23)+(698+302)
=0+1000
=1000
( 23 + 698 ) - ( -23 - 302 )
= 23 + 698 - 23 + 302
= ( 23 - 23 ) + ( 698 + 302 )
= 0 + 1000
= 1000
( 23 + 689 ) - ( -23 - 302 )
= 23 + 689 - 23 + 302
= ( 23- 23 ) + ( 689 + 302 )
= 0 + 1000
= 1000
# Học tốt nhé