总述:本次共解1题。其中
☆算术计算1题
〖1/1算式〗
作业:求算式 2/3×14.3×400^3×(sin(3.14×0.417))^3+360×10000×400×(sin(3.14×0.417)×2)/3.14 的值.
题型:数学计算
解:
2/3×14.3×400^3×(sin(3.14×0.417))^3+360×10000×400×(sin(3.14×0.417)×2)/3.14
=2/3×14.3×400^3×(sin1.30938)^3+360×10000×400×(sin(3.14×0.417)×2)/3.14
=2/3×14.3×400^3×0.966025^3+360×10000×400×(sin(3.14×0.417)×2)/3.14
=2/3×14.3×400^3×0.966025^3+360×10000×400×(sin1.30938×2)/3.14
=2/3×14.3×400^3×0.966025^3+360×10000×400×1.93205/3.14
=2/3×14.3×64000000×0.966025^3+360×10000×400×1.93205/3.14
=2/3×14.3×64000000×0.901498684511266+360×10000×400×1.93205/3.14
=0.666667×14.3×64000000×0.901498684511266+360×10000×400×1.93205/3.14
=9.533338×64000000×0.901498684511266+360×10000×400×1.93205/3.14
=610133632×0.901498684511266+360×10000×400×1.93205/3.14
=550034666.624081+360×10000×400×1.93205/3.14
=550034666.624081+3600000×400×1.93205/3.14
=550034666.624081+1440000000×1.93205/3.14
=550034666.624081+2782152000/3.14
=550034666.624081+886035668.789809
=1436070335.41389 答案:2/3×14.3×400^3×(sin(3.14×0.417))^3+360×10000×400×(sin(3.14×0.417)×2)/3.14=1436070335.41389 注:弧度制你的问题在这里没有得到解决?请到 热门难题 里面看看吧!