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+360×1885×400×(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+360×1885×400×(sin(3.14×0.417)×2)/3.14
=2/3×14.3×400^3×(sin1.30938)^3+360×1885×400×(sin(3.14×0.417)×2)/3.14
=2/3×14.3×400^3×0.966025^3+360×1885×400×(sin(3.14×0.417)×2)/3.14
=2/3×14.3×400^3×0.966025^3+360×1885×400×(sin1.30938×2)/3.14
=2/3×14.3×400^3×0.966025^3+360×1885×400×1.93205/3.14
=2/3×14.3×64000000×0.966025^3+360×1885×400×1.93205/3.14
=2/3×14.3×64000000×0.901498684511266+360×1885×400×1.93205/3.14
=0.666667×14.3×64000000×0.901498684511266+360×1885×400×1.93205/3.14
=9.533338×64000000×0.901498684511266+360×1885×400×1.93205/3.14
=610133632×0.901498684511266+360×1885×400×1.93205/3.14
=550034666.624081+360×1885×400×1.93205/3.14
=550034666.624081+678600×400×1.93205/3.14
=550034666.624081+271440000×1.93205/3.14
=550034666.624081+524435652/3.14
=550034666.624081+167017723.566879
=717052390.19096 答案:2/3×14.3×400^3×(sin(3.14×0.417))^3+360×1885×400×(sin(3.14×0.417)×2)/3.14=717052390.19096 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!