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pdurrant · 04-05-2012, 05:11 AM

31 = 5*7-3-1
32 = (5*7-3)*1
33 = 5*7-3+1
34 = (5-1)!+7+3
35 = 7!/5!-3!-1
36 = 3! * (7-5+1)!
37 = 5*(7+1)-3
38 = 7!/5!-3-1
39 = 7!/5!-(3/1)
40 = 7!/5!-3+1

04-05-2012, 05:11 AM	#6523
pdurrant The Grand Mouse 高貴的老鼠 Posts: 74,215 Karma: 317184274 Join Date: Jul 2007 Location: Norfolk, England Device: Kindle Oasis	31 = 57-3-1 32 = (57-3)1 33 = 57-3+1 34 = (5-1)!+7+3 35 = 7!/5!-3!-1 36 = 3! * (7-5+1)! 37 = 5*(7+1)-3 38 = 7!/5!-3-1 39 = 7!/5!-(3/1) 40 = 7!/5!-3+1