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〖1/1算式〗
作业:求算式 0.46*14.3*1000*0.785*(1-(sin(2*3.14159*0.46)/(2*3.14159*0.46))+(3*0.46-1.25)*300*25445/1000) 的值.
题型:数学计算
解:
0.46*14.3*1000*0.785*(1-(sin(2*3.14159*0.46)/(2*3.14159*0.46))+(3*0.46-1.25)*300*25445/1000)
=0.46*14.3*1000*0.785*(1-(sin2.890263/(2*3.14159*0.46))+(3*0.46-1.25)*300*25445/1000)
=0.46*14.3*1000*0.785*(1-(sin2.890263/2.890263)+(3*0.46-1.25)*300*25445/1000)
=0.46*14.3*1000*0.785*(1-0.086045+(3*0.46-1.25)*300*25445/1000)
=0.46*14.3*1000*0.785*(1-0.086045+0.13*300*25445/1000)
=0.46*14.3*1000*0.785*993.268955
=6.578*1000*0.785*993.268955
=6578*0.785*993.268955
=5163.73*993.268955
=5128972.701002 答案:0.46*14.3*1000*0.785*(1-(sin(2*3.14159*0.46)/(2*3.14159*0.46))+(3*0.46-1.25)*300*25445/1000)=5128972.701002 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!