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☆算术计算1题
〖1/1算式〗
作业:求算式 0.27*14.3*1000*0.785*(1-(sin(2*3.14159*0.27)/(2*3.14159*0.27)))+(3*0.27-1.25)*300*25445/1000 的值.
题型:数学计算
解:
0.27*14.3*1000*0.785*(1-(sin(2*3.14159*0.27)/(2*3.14159*0.27)))+(3*0.27-1.25)*300*25445/1000
=0.27*14.3*1000*0.785*(1-(sin1.696459/(2*3.14159*0.27)))+(3*0.27-1.25)*300*25445/1000
=0.27*14.3*1000*0.785*(1-(sin1.696459/1.696459))+(3*0.27-1.25)*300*25445/1000
=0.27*14.3*1000*0.785*(1-0.584815)+(3*0.27-1.25)*300*25445/1000
=0.27*14.3*1000*0.785*0.415185+(3*0.27-1.25)*300*25445/1000
=0.27*14.3*1000*0.785*0.415185+(-0.44)*300*25445/1000
=3.861*1000*0.785*0.415185+(-0.44)*300*25445/1000
=3861*0.785*0.415185+(-0.44)*300*25445/1000
=3030.885*0.415185+(-0.44)*300*25445/1000
=1258.377989+(-0.44)*300*25445/1000
=1258.377989+(-132)*25445/1000
=1258.377989+(-3358740)/1000
=1258.377989+(-3358.74)
=-2100.362011 答案:0.27*14.3*1000*0.785*(1-(sin(2*3.14159*0.27)/(2*3.14159*0.27)))+(3*0.27-1.25)*300*25445/1000=-2100.362011 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!