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〖1/1算式〗
作业:求算式 0.285*14.3*1000*0.785*(1-(sin(2*3.14159*0.285)/(2*3.14159*0.285)))+(3*0.285-1.25)*300*25445/1000 的值.
题型:数学计算
解:
0.285*14.3*1000*0.785*(1-(sin(2*3.14159*0.285)/(2*3.14159*0.285)))+(3*0.285-1.25)*300*25445/1000
=0.285*14.3*1000*0.785*(1-(sin1.790706/(2*3.14159*0.285)))+(3*0.285-1.25)*300*25445/1000
=0.285*14.3*1000*0.785*(1-(sin1.790706/1.790706))+(3*0.285-1.25)*300*25445/1000
=0.285*14.3*1000*0.785*(1-0.54499)+(3*0.285-1.25)*300*25445/1000
=0.285*14.3*1000*0.785*0.45501+(3*0.285-1.25)*300*25445/1000
=0.285*14.3*1000*0.785*0.45501+(-0.395)*300*25445/1000
=4.0755*1000*0.785*0.45501+(-0.395)*300*25445/1000
=4075.5*0.785*0.45501+(-0.395)*300*25445/1000
=3199.2675*0.45501+(-0.395)*300*25445/1000
=1455.698705+(-0.395)*300*25445/1000
=1455.698705+(-118.5)*25445/1000
=1455.698705+(-3015232.5)/1000
=1455.698705+(-3015.2325)
=-1559.533795 答案:0.285*14.3*1000*0.785*(1-(sin(2*3.14159*0.285)/(2*3.14159*0.285)))+(3*0.285-1.25)*300*25445/1000=-1559.533795 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!