1) (-6-2).(-6+2) 2) (7.3-3) : 6 3) (-5+9).(-4) 4) 72:(-6.2+4) 5) -3.7-4.(-5)+1 6) 18-10:(+2)-7 7) 15:(-5).(-3)-8 8) (6.8-10:5)+3.(-7)

By aihong

1) (-6-2).(-6+2)
2) (7.3-3) : 6
3) (-5+9).(-4)
4) 72:(-6.2+4)
5) -3.7-4.(-5)+1
6) 18-10:(+2)-7
7) 15:(-5).(-3)-8
8) (6.8-10:5)+3.(-7)




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