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(-5)x50+2 x [20-(8-5)]
[72:(-3)]:(14-6)
(17-2):3-4+(-2)
(-5)x50+2 x [20-(8-5)]=-250+2x17=-250+34=-216
[72:(-3)]:(14-6)=-24:8=-3
(17-2):3-4+(-2)=15:3-4-2=5-4-2=-1
=(-250)+2* (20-3)= (-250) + 2* 17= (-250) + 34= -216
2). = -24:8= -3
3). = 15:3-4+(-2)= 5 - 2=3
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(-5)x50+2 x [20-(8-5)]=-250+2x17=-250+34=-216
[72:(-3)]:(14-6)=-24:8=-3
(17-2):3-4+(-2)=15:3-4-2=5-4-2=-1
=(-250)+2* (20-3)= (-250) + 2* 17= (-250) + 34= -216
2). = -24:8= -3
3). = 15:3-4+(-2)= 5 - 2=3