987+6+(5+43)*21=2001,(9-8+7*6)*54-321=2001
9*87*(6/54*32-1)=2001,9*87+(65-4-3)*21=2001
(9*87+654/3)*2-1=2001,98/7*6*5*4+321=2001
(98-7)*(65-43)-2+1=2001,98*7+(654+3)*2+1=2001
(98/7+654)*3-2-1=2001,(98-76)*(5+43*2)-1=2001
(3 3 3× 3 +3÷3)×(3+3)÷ 3+ 3+3 -3 +3 -3 =2003