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)
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)
1) (-6-2).(-6+2)
=(-8).(-4)
=32
2) (7.3-3) : 6
=(21-3):6
=18:6
=3
3) (-5+9).(-4)
=4.(-4)
=-16
4) 72:(-6.2+4)
=72:(-12+4)
=72:(-8)
=-9
5) -3.7-4.(-5)+1
=(-21)-(-20)+1
=(-21)+20+1
=0
6) 18-10:(+2)-7
=18-10:2-7
=18-5-7
=6
7) 15:(-5).(-3)-8
=(-3).(-3)-8
=9-8
=1
8) (6.8-10:5)+3.(-7)
=(48-2)+(-21)
=46-21
=25
1) (-6 – 2). (-6 + 2)
=(-8). (-4)
=(-32)
2) (7. 3 – 3) : (-6)
=18 : (-6)
=-3
3) (-5 + 9) . (-4)
=4 . (-4)
=-16
4) 72 : (-6. 2 + 4)
=72 : (-8)
=-9
5) -3. 7 – 4. (-5) + 1
=-21 – (-20) + 1
=-1+1
=0
6) 18 – 10 : (+2) – 7
=18 – 5 – 7
=6
7) 15 : (-5).(-3) – 8
=-3 . (-3) – 8
=9 – 8
=1
8) (6. 8 – 10 : 5) + 3. (-7)
=(48 – 2) + (-21)
=46 + (-21)
=25