0566132人目の素数さん
2019/11/29(金) 08:07:24.57ID:ZbNFv4Wb(0.037+x+0.0165)/{0.85 - (0.037+x+0.0165)} = 0.085
とすると
(0.037+x+0.0165) = 0.085 {0.85 - (0.037+x+0.0165)}
(0.037+x+0.0165)(1+0.085) = 0.085×0.85 = 0.07225
(0.037+x+0.0165) = 0.07225/(1+0.085) = 0.0666
x = 0.0666 - (0.037+0.0165) = 0.0131
ぢゃね?