175 - (-25) + 62 -(1200+62)
= (175+25)+(62-1200-62)
= 200 + (-1200)
= -1000
175-(-25)+63-(1200+62)
=175+25+62-1200-62
=200+(62-62)-1200
=200+0-1200
=200+(-1200)
= -1000
175-(-25)+62-(1200+62)
=175+25+62-1200-62
=(62-62)+(175+25)-1200
=0+200-1200
=-1000
mình nhé