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 2/3×16.7×592400×sin36/3.14+360×4021×350×(sin36+sin153)/3.14 的值.
题型:数学计算
解:
2/3×16.7×592400×sin36/3.14+360×4021×350×(sin36+sin153)/3.14
=2/3×16.7×592400×sin36/3.14+360×4021×350×(-0.185378)/3.14
=2/3×16.7×592400×-0.991779/3.14+360×4021×350×-0.185378/3.14
=0.666667×16.7×592400×(-0.991779)/3.14+360×4021×350×(-0.185378)/3.14
=11.133339×592400×(-0.991779)/3.14+360×4021×350×(-0.185378)/3.14
=6595390.0236×(-0.991779)/3.14+360×4021×350×(-0.185378)/3.14
=(-6541169.322216)/3.14+360×4021×350×(-0.185378)/3.14
=(-2083174.943381)+360×4021×350×(-0.185378)/3.14
=-2083174.943381+1447560×350×(-0.185378)/3.14
=-2083174.943381+506646000×(-0.185378)/3.14
=-2083174.943381+(-93921022.188)/3.14
=-2083174.943381+(-29911153.563057)
=-31994328.506438 答案:2/3×16.7×592400×sin36/3.14+360×4021×350×(sin36+sin153)/3.14=-31994328.506438 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!