题目内容
（请给出正确答案）
[主观题]
下面程序段是求π的近似值，当第n项的绝对值小于1e-5时终止计算。 π/4=1-1/3+1/5-1/7+... Dim n As Long, s As Single Dim t As Single, pi As Single n = 1: t = 1: s = 0 Do While abs（t) ＞ ______ s = s + t n = n + 1 t = （-1)^（n + 1)/（2*n-1) Loop
答案
11
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