1/2vt+(9.69-0.15-t)v=100 ①1/2vt+(19.30-0.15-t)X0.96v ②求t和v 答案我知道,但我不知道这个怎么算,计算题我是白痴更正一下刚才的题1/2vt+(9.69-0.15-t)v=100 ①1/2vt+(19.30-0.15-t)X0.96v =200 ②
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![1/2vt+(9.69-0.15-t)v=100 ①1/2vt+(19.30-0.15-t)X0.96v ②求t和v 答案我知道,但我不知道这个怎么算,计算题我是白痴更正一下刚才的题1/2vt+(9.69-0.15-t)v=100 ①1/2vt+(19.30-0.15-t)X0.96v =200 ②](/uploads/image/z/3635952-24-2.jpg?t=1%2F2vt%2B%289.69-0.15-t%29v%3D100+%E2%91%A01%2F2vt%2B%2819.30-0.15-t%29X0.96v+%E2%91%A1%E6%B1%82t%E5%92%8Cv+%E7%AD%94%E6%A1%88%E6%88%91%E7%9F%A5%E9%81%93%2C%E4%BD%86%E6%88%91%E4%B8%8D%E7%9F%A5%E9%81%93%E8%BF%99%E4%B8%AA%E6%80%8E%E4%B9%88%E7%AE%97%2C%E8%AE%A1%E7%AE%97%E9%A2%98%E6%88%91%E6%98%AF%E7%99%BD%E7%97%B4%E6%9B%B4%E6%AD%A3%E4%B8%80%E4%B8%8B%E5%88%9A%E6%89%8D%E7%9A%84%E9%A2%981%2F2vt%2B%289.69-0.15-t%29v%3D100+%E2%91%A01%2F2vt%2B%2819.30-0.15-t%29X0.96v+%3D200+%E2%91%A1)
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1/2vt+(9.69-0.15-t)v=100 ①1/2vt+(19.30-0.15-t)X0.96v ②求t和v 答案我知道,但我不知道这个怎么算,计算题我是白痴更正一下刚才的题1/2vt+(9.69-0.15-t)v=100 ①1/2vt+(19.30-0.15-t)X0.96v =200 ②
1/2vt+(9.69-0.15-t)v=100 ①
1/2vt+(19.30-0.15-t)X0.96v ②
求t和v 答案我知道,但我不知道这个怎么算,计算题我是白痴
更正一下刚才的题
1/2vt+(9.69-0.15-t)v=100 ①
1/2vt+(19.30-0.15-t)X0.96v =200 ②
1/2vt+(9.69-0.15-t)v=100 ①1/2vt+(19.30-0.15-t)X0.96v ②求t和v 答案我知道,但我不知道这个怎么算,计算题我是白痴更正一下刚才的题1/2vt+(9.69-0.15-t)v=100 ①1/2vt+(19.30-0.15-t)X0.96v =200 ②
1/2vt+(9.69-0.15-t)v=100 ① 1/2vt+(19.30-0.15-t)X0.96v =200 ②
解得:9.54v-0.5vt=100 (1) 18.384v-0.46vt=200(2)
(2)中vt=(18.384v-200)/0.46,把vt带入(1)得:v=11.24
再把v带入(1)得:t=1.27
也不知道对不对,
第二个不是等式啊