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+sin(3.14×0.416)/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+sin(3.14×0.416)/3.14))
=2/3*14.3*400^3×(sin1.30938)^3+360×1885×400×(sin(3.14×0.417+sin(3.14×0.416)/3.14))
=2/3*14.3*400^3×0.966025^3+360×1885×400×(sin(3.14×0.417+sin(3.14×0.416)/3.14))
=2/3*14.3*400^3×0.966025^3+360×1885×400×(sin(3.14×0.417+sin1.30624/3.14))
=2/3*14.3*400^3×0.966025^3+360×1885×400×(sin1.616771)
=2/3*14.3*400^3×0.966025^3+360×1885×400×0.998943
=2/3*14.3*64000000×0.966025^3+360×1885×400×0.998943
=2/3*14.3*64000000×0.901498684511266+360×1885×400×0.998943
=0.666667*14.3*64000000×0.901498684511266+360×1885×400×0.998943
=9.533338*64000000×0.901498684511266+360×1885×400×0.998943
=610133632×0.901498684511266+360×1885×400×0.998943
=550034666.624081+360×1885×400×0.998943
=550034666.624081+678600×400×0.998943
=550034666.624081+271440000×0.998943
=550034666.624081+271153087.92
=821187754.544081 答案:2/3*14.3*400^3×(sin(3.14×0.417))^3+360×1885×400×(sin(3.14×0.417+sin(3.14×0.416)/3.14))=821187754.544081 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!