12 : 4 ( 6+ 5 )=3*11= 33
(7*5)-(6+4)= 35-10=25
2000: ( 5*4)= 2000 :20 =100
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12 : 4 ( 6+ 5 )=3*11= 33
(7*5)-(6+4)= 35-10=25
2000: ( 5*4)= 2000 :20 =100