总述:本次共解1题。其中
☆算术计算1题
〖1/1算式〗
作业:求算式 2/3*14.3*1000*0.785*0.5*sin(3.141*0.281)*sin(3.141*0.281)*sin(3.141*0.281)/3.14159+300*25445/1000*0.45*(sin(0.281*3.141)+sin(3.14*(1.25-2*0.281))/3.141) 的值.
题型:数学计算
解:
2/3*14.3*1000*0.785*0.5*sin(3.141*0.281)*sin(3.141*0.281)*sin(3.141*0.281)/3.14159+300*25445/1000*0.45*(sin(0.281*3.141)+sin(3.14*(1.25-2*0.281))/3.141)
=2/3*14.3*1000*0.785*0.5*sin0.882621*sin(3.141*0.281)*sin(3.141*0.281)/3.14159+300*25445/1000*0.45*(sin(0.281*3.141)+sin(3.14*(1.25-2*0.281))/3.141)
=2/3*14.3*1000*0.785*0.5*sin0.882621*sin0.882621*sin(3.141*0.281)/3.14159+300*25445/1000*0.45*(sin(0.281*3.141)+sin(3.14*(1.25-2*0.281))/3.141)
=2/3*14.3*1000*0.785*0.5*sin0.882621*sin0.882621*sin0.882621/3.14159+300*25445/1000*0.45*(sin(0.281*3.141)+sin(3.14*(1.25-2*0.281))/3.141)
=2/3*14.3*1000*0.785*0.5*sin0.882621*sin0.882621*sin0.882621/3.14159+300*25445/1000*0.45*(sin0.882621+sin(3.14*(1.25-2*0.281))/3.141)
=2/3*14.3*1000*0.785*0.5*sin0.882621*sin0.882621*sin0.882621/3.14159+300*25445/1000*0.45*(sin0.882621+sin(3.14*0.688)/3.141)
=2/3*14.3*1000*0.785*0.5*sin0.882621*sin0.882621*sin0.882621/3.14159+300*25445/1000*0.45*(sin0.882621+sin2.16032/3.141)
=2/3*14.3*1000*0.785*0.5*sin0.882621*sin0.882621*sin0.882621/3.14159+300*25445/1000*0.45*1.037037
=2/3*14.3*1000*0.785*0.5*0.772406*sin0.882621*sin0.882621/3.14159+300*25445/1000*0.45*1.037037
=2/3*14.3*1000*0.785*0.5*0.772406*0.772406*sin0.882621/3.14159+300*25445/1000*0.45*1.037037
=2/3*14.3*1000*0.785*0.5*0.772406*0.772406*0.772406/3.14159+300*25445/1000*0.45*1.037037
=0.666667*14.3*1000*0.785*0.5*0.772406*0.772406*0.772406/3.14159+300*25445/1000*0.45*1.037037
=9.533338*1000*0.785*0.5*0.772406*0.772406*0.772406/3.14159+300*25445/1000*0.45*1.037037
=9533.338*0.785*0.5*0.772406*0.772406*0.772406/3.14159+300*25445/1000*0.45*1.037037
=7483.67033*0.5*0.772406*0.772406*0.772406/3.14159+300*25445/1000*0.45*1.037037
=3741.835165*0.772406*0.772406*0.772406/3.14159+300*25445/1000*0.45*1.037037
=2890.215932*0.772406*0.772406/3.14159+300*25445/1000*0.45*1.037037
=2232.420127*0.772406/3.14159+300*25445/1000*0.45*1.037037
=1724.334701/3.14159+300*25445/1000*0.45*1.037037
=548.873246+300*25445/1000*0.45*1.037037
=548.873246+7633500/1000*0.45*1.037037
=548.873246+7633.5*0.45*1.037037
=548.873246+3435.075*1.037037
=548.873246+3562.299873
=4111.173119 答案:2/3*14.3*1000*0.785*0.5*sin(3.141*0.281)*sin(3.141*0.281)*sin(3.141*0.281)/3.14159+300*25445/1000*0.45*(sin(0.281*3.141)+sin(3.14*(1.25-2*0.281))/3.141)=4111.173119 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!