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〖1/1算式〗
作业:求算式 0.27*1.43*0.45*0.45*3.14159*(1-(sin(2*3.14159*0.27))/(2*3.14159*0.27))+(3*0.27-1.25)*270*3848 的值.
题型:数学计算
解:
0.27*1.43*0.45*0.45*3.14159*(1-(sin(2*3.14159*0.27))/(2*3.14159*0.27))+(3*0.27-1.25)*270*3848
=0.27*1.43*0.45*0.45*3.14159*(1-(sin1.696459)/(2*3.14159*0.27))+(3*0.27-1.25)*270*3848
=0.27*1.43*0.45*0.45*3.14159*(1-0.992115/(2*3.14159*0.27))+(3*0.27-1.25)*270*3848
=0.27*1.43*0.45*0.45*3.14159*(1-0.992115/1.696459)+(3*0.27-1.25)*270*3848
=0.27*1.43*0.45*0.45*3.14159*0.415185+(3*0.27-1.25)*270*3848
=0.27*1.43*0.45*0.45*3.14159*0.415185+(-0.44)*270*3848
=0.3861*0.45*0.45*3.14159*0.415185+(-0.44)*270*3848
=0.173745*0.45*3.14159*0.415185+(-0.44)*270*3848
=0.078185*3.14159*0.415185+(-0.44)*270*3848
=0.245625*0.415185+(-0.44)*270*3848
=0.10198+(-0.44)*270*3848
=0.10198+(-118.8)*3848
=0.10198+(-457142.4)
=-457142.29802 答案:0.27*1.43*0.45*0.45*3.14159*(1-(sin(2*3.14159*0.27))/(2*3.14159*0.27))+(3*0.27-1.25)*270*3848=-457142.29802 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!