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								function max(info) 
								arr=split(info,",") 
								max=clng(arr(0)) 
								for i=1 to ubound(arr) 
								if clng(arr(i))>clng(max) then 
								max=clng(arr(i)) 
								end if 
								next 
								end function 
								 
								function min(info) 
								arr=split(info,",") 
								min=clng(arr(0)) 
								for i=1 to ubound(arr) 
								if clng(arr(i)) min=clng(arr(i)) 
								end if 
								next 
								end function 
								'调用方式 
								'i=max("12,23,12,12,,32,43,54,43,56") 
								'i=min("12,12,23,3,454,34,4,5,45,3,232,3,2,43,4")  | 
							
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