а) |-7|+|+5|+|+8|+|-10| = 7+5+8+10 = 30
б) |+12|+|-2|-|+10|+|-20| = 12+2-10+20 = 24
в) |+18|+|-2|-|-5|-|-15| = 18+2-5+15 = 30
г) |-10|+|-2|-|-8|+|-5| = 10+2+8+5 = 25
а) |-7|+|+5|+|+8|+|-10| = 7+5+8+10 = 30
б) |+12|+|-2|-|+10|+|-20| = 12+2-10+20 = 24
в) |+18|+|-2|-|-5|-|-15| = 18+2-5+15 = 30
г) |-10|+|-2|-|-8|+|-5| = 10+2+8+5 = 25