(-2)^-2+2^-2计算
答案:3 悬赏:0
解决时间 2021-10-10 01:25
- 提问者网友:呐年旧曙光
- 2021-10-09 15:17
(-2)^-2+2^-2计算
最佳答案
- 二级知识专家网友:舊物识亽
- 2020-04-09 12:20
(-2)^-2+2^-2
=1/(-2)²+1/2²
=1/4+1/4
=1/2
=1/(-2)²+1/2²
=1/4+1/4
=1/2
全部回答
- 1楼网友:十年萤火照君眠
- 2021-01-06 12:52
vb编程计算2+2^1+2^2+2^3+......+2^10
private sub command1_click()
dim i%, s%
s = 2
for i = 1 to 10
s = s + 2 ^ i
next i
print s
end sub
vb编程求出100-200以内的同时能被3和5整除的所有整数
private sub command1_click()
dim i as integer
for i = 100 to 200
if i mod 3 = 0 and i mod 5 = 0 then
print i;
end if
next i
end sub
vb编程计算1-2+3-4+5-6……+-n,其中n由文本框输入
private sub command1_click()
dim i%, k%, s%
k = 1
for i = 1 to val(text1.text)
s = s + i * k
k = -k
next i
print s
end sub
- 2楼网友:長槍戰八方
- 2019-08-08 05:44
a^n 当n所以,你给的这个式子 = 1/((-2)^2)+1/(2^2) = 1/4+1/4=1/2
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