44.955×13.5=
    4.67×4.79×20
    4.35×（28.49×20+2.34×10+4.2×9×2+8.4×4）
    4.36×（2.7×54.6+5×6.2）
    log(3,3.7047)
     1/2*((173.735^2)-173.735^2/(tan71)^2+173.735^2/(sin71)^2)
    1/2((173.735^2)-173.735^2/(tan70)^2+173.735^2/(sin70)^2)
    3336*3.1415926*2/60*0.22
    3336*3.1415926*2/60*0.25
    33360*3.1415926*2/60*0.3
    33360*3.1415926*2/60
    33360*3.1415926*2/60*0.02
    33360*3.1415926*2/60*0.025
    0.029579*33360*3.1415926*2/60
    76140*135*0.8/(21.15*2020*9.8*0.015+1.9*0.233*50*50)
    36548.957458*0.83
    1.4/0.4*287*343.15*(1-(101325/150000)^（0.4/1.4））
    54/4.5797 +54/4.5797 ^2+54/4.5797 ^3+54/4.5797 ^4+54/4.5797 ^5
    54/（1+0.03）+54/（1+0.03）^2+54/（1+0.03）^3+54/（1+0.03）^4+54/（1+0.03）^5=
    1.14206/4.97316

Home page << page3041 page3042 page3043 page3044 page3045 ... ... page3056 page3057 page3058 page3059 page3060 >> Last page 3344 pages in total