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☆算术计算1题
〖1/1算式〗
作业:求算式 0.218*1.43*1000*0.45*0.45*3.14159*(1-(sin(2*3.14159*0.218))/(2*3.14159*0.218))+(3*0.218-1.25)*270*3.848 的值.
题型:数学计算
解:
0.218*1.43*1000*0.45*0.45*3.14159*(1-(sin(2*3.14159*0.218))/(2*3.14159*0.218))+(3*0.218-1.25)*270*3.848
=0.218*1.43*1000*0.45*0.45*3.14159*(1-(sin1.369733)/(2*3.14159*0.218))+(3*0.218-1.25)*270*3.848
=0.218*1.43*1000*0.45*0.45*3.14159*(1-0.979855/(2*3.14159*0.218))+(3*0.218-1.25)*270*3.848
=0.218*1.43*1000*0.45*0.45*3.14159*(1-0.979855/1.369733)+(3*0.218-1.25)*270*3.848
=0.218*1.43*1000*0.45*0.45*3.14159*0.284638+(3*0.218-1.25)*270*3.848
=0.218*1.43*1000*0.45*0.45*3.14159*0.284638+(-0.596)*270*3.848
=0.31174*1000*0.45*0.45*3.14159*0.284638+(-0.596)*270*3.848
=311.74*0.45*0.45*3.14159*0.284638+(-0.596)*270*3.848
=140.283*0.45*3.14159*0.284638+(-0.596)*270*3.848
=63.12735*3.14159*0.284638+(-0.596)*270*3.848
=198.320251*0.284638+(-0.596)*270*3.848
=56.44948+(-0.596)*270*3.848
=56.44948+(-160.92)*3.848
=56.44948+(-619.22016)
=-562.77068 答案:0.218*1.43*1000*0.45*0.45*3.14159*(1-(sin(2*3.14159*0.218))/(2*3.14159*0.218))+(3*0.218-1.25)*270*3.848=-562.77068 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!