1樓：匿名使用者
private sub command1_click()ss 10
ss 100
ss 1000
ss 10000
ss 100000
end sub
private function ss(n as long) as double
dim i as long, dbl1 as double, dbl2 as double
dbl1 = 2
for i = 1 to n
dbl2 = i / (2 * i - 1) * i / (2 * i + 1) * 4
dbl1 = dbl1 * dbl2
next i
msgbox "n=" & n & "時，π =" & dbl1end function
2樓：刀成朝
暈倒，怎麼不登陸也可以回答？？
再回答一遍
private sub command1_click()ss 10
ss 100
ss 1000
ss 10000
ss 100000
end sub
private function ss(n as long) as double
dim i as long, dbl1 as double, dbl2 as double
dbl1 = 2
for i = 1 to n
dbl2 = i / (2 * i - 1) * i / (2 * i + 1) * 4
dbl1 = dbl1 * dbl2
next i
msgbox "n=" & n & "時，π =" & dbl1end function
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