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*14300*π*0.45^2*0.7*(sin0.42*π)^3/π+300000*0.00382*0.45*(sin0.42*π+sin0.41*π)/π 的值.
题型:数学计算
解:
2/3*14300*π*0.45^2*0.7*(sin0.42*π)^3/π+300000*0.00382*0.45*(sin0.42*π+sin0.41*π)/π
=2/3*14300*π*0.45^2*0.7*1.281016^3/π+300000*0.00382*0.45*(sin0.42*π+sin0.41*π)/π
=2/3*14300*π*0.45^2*0.7*1.281016^3/π+300000*0.00382*0.45*2.533283/π
=2/3*14300*π*0.2025*0.7*1.281016^3/π+300000*0.00382*0.45*2.533283/π
=2/3*14300*π*0.2025*0.7*2.102149808111812/π+300000*0.00382*0.45*2.533283/π
=0.666667*14300*π*0.2025*0.7*2.102149808111812/π+300000*0.00382*0.45*2.533283/π
=9533.3381*π*0.2025*0.7*2.102149808111812/π+300000*0.00382*0.45*2.533283/π
=29949.864939*0.2025*0.7*2.102149808111812/π+300000*0.00382*0.45*2.533283/π
=6064.84765*0.7*2.102149808111812/π+300000*0.00382*0.45*2.533283/π
=4245.393355*2.102149808111812/π+300000*0.00382*0.45*2.533283/π
=8924.452827/π+300000*0.00382*0.45*2.533283/π
=2840.741564+300000*0.00382*0.45*2.533283/π
=2840.741564+1146*0.45*2.533283/π
=2840.741564+515.7*2.533283/π
=2840.741564+1306.414043/π
=2840.741564+415.844505
=3256.586069 答案:2/3*14300*π*0.45^2*0.7*(sin0.42*π)^3/π+300000*0.00382*0.45*(sin0.42*π+sin0.41*π)/π=3256.586069 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!