19.8×1.5×2.07+2×54×1.44
    （19.8×1.5+20×2.5）×0.48+2×19.4×0.7
    (20+19.4×1.7+19.2×3.1+19.8×3+20×2.5+22×1.8)×0.22-2×20×0.47
    48×13/6
    48×5/24
    3╱37*3╱37*1╱2-5*3 ╱37-12
    0.3*0.038*0.038+0.5*0.002*0.002+0.3*0.052*0.052=
    0.3*0.038*003805*0.002*06002+0.3*0.052*0.052
    0.3*（0.06-0.022）^2+0.5*（0.04-0.022）^2+0.2*（0.102）^2=
    （1.12*17.8+5*18.6+9.77*18.8+4.11*27.6）/20=
    （1.12*23.4+5*24.6+9.77*30+4.11*30）/20=
    （1.12*19+5*19.6+9.77*40+4.11*40）/20=
    （2.29*18+2.93*18.2+2.3*15.8+6.65*17.7+2*17.8+5*18.6+9.77*18.8+4.11*27.6）/35.05=
    （2.29*12+2.93*16.3+2.3*10+6.65*25.5+2*23.4+5*24.6+9.77*30+4.11*30）/35.05=
    （2.29*15+2.93*20.3+2.3*10+6.65*16.4+2*19+5*19.6+9.77*40+4.11*40）/35.5=
    （1/3）^2*0.03^2+(1/3)^2*0.05^2+（1/3）^2*0.03^2+2*(1/3)^2*0.5*0.03*0.05+2*(1/3)^2*0.2*0.03*0.03+2*(1/3)^2*0*0.05*0.03 =
    e(-4*1)
    (20+19.4×1.7+19.2×3.1+19.8×3+20×2.5)×0.33-2×40×0.58
    (20+19.4×1.7+19.2×3.1+19.8×3+20×2.5)×0.52-2×40×0.72
    (20+19.4×1.7+19.2×3.10+19.8×3×0.61-2×54.0×0.87

Home page << page1977 page1978 page1979 page1980 page1981 ... ... page1992 page1993 page1994 page1995 page1996 >> Last page 3344 pages in total