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〖1/1算式〗
作业:求算式 0.5*π*1.5*(53*14.1+75*12)+0.25*π*1.5*1.5*0.49*(430+5*(117+9.3*12)/(15.6+12)*(12.6+12)) 的值.
题型:数学计算
解:
0.5*π*1.5*(53*14.1+75*12)+0.25*π*1.5*1.5*0.49*(430+5*(117+9.3*12)/(15.6+12)*(12.6+12))
=0.5*π*1.5*1647.3+0.25*π*1.5*1.5*0.49*(430+5*(117+9.3*12)/(15.6+12)*(12.6+12))
=0.5*π*1.5*1647.3+0.25*π*1.5*1.5*0.49*(430+5*228.6/(15.6+12)*(12.6+12))
=0.5*π*1.5*1647.3+0.25*π*1.5*1.5*0.49*(430+5*228.6/27.6*(12.6+12))
=0.5*π*1.5*1647.3+0.25*π*1.5*1.5*0.49*(430+5*228.6/27.6*24.6)
=0.5*π*1.5*1647.3+0.25*π*1.5*1.5*0.49*1448.760858
=1.570796*1.5*1647.3+0.25*π*1.5*1.5*0.49*1448.760858
=2.356194*1647.3+0.25*π*1.5*1.5*0.49*1448.760858
=3881.358376+0.25*π*1.5*1.5*0.49*1448.760858
=3881.358376+0.785398*1.5*1.5*0.49*1448.760858
=3881.358376+1.178097*1.5*0.49*1448.760858
=3881.358376+1.767145*0.49*1448.760858
=3881.358376+0.865901*1448.760858
=3881.358376+1254.483476
=5135.841852 答案:0.5*π*1.5*(53*14.1+75*12)+0.25*π*1.5*1.5*0.49*(430+5*(117+9.3*12)/(15.6+12)*(12.6+12))=5135.841852你的问题在这里没有得到解决?请到 热门难题 里面看看吧!