20lg60
    (36000+36000+29630+29630)/(2×77143)
    20lg 50
    175886.04/17.64
    175886.04/4.2/4.2
    0.19×12×77143
    0.19×12×77143/4.2*4.2
    20lg100
    0.19×12×77143/4.22
    20lg400
    20lg40
    20lg2
    20lg10
    0.47/(2+0.47)=
    (36000+36000)/(2×77143)=
    20lg1000
    20lg2000
    20lg30
    124.182×(1.358+7.1+3.3+5.714)+344.767×(2.349+1.4+3.3+5.714)+144.558×(0.675+3.3+5.714)+324.751×(1.536+5.714)+848.980×2.623
    3×10^4×600×600^3/12/5650

Home page << page2264 page2265 page2266 page2267 page2268 ... ... page2279 page2280 page2281 page2282 page2283 >> Last page 3377 pages in total