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〖1/1算式〗
作业:求算式 0.5*π*1.5*(80*14.1+90*7)+0.25*π*1.5*1.5*(210.7+2.45*(117+9.3*7)/(15.6+7)*(12.6+7)) 的值.
题型:数学计算
解:
0.5*π*1.5*(80*14.1+90*7)+0.25*π*1.5*1.5*(210.7+2.45*(117+9.3*7)/(15.6+7)*(12.6+7))
=0.5*π*1.5*1758+0.25*π*1.5*1.5*(210.7+2.45*(117+9.3*7)/(15.6+7)*(12.6+7))
=0.5*π*1.5*1758+0.25*π*1.5*1.5*(210.7+2.45*182.1/(15.6+7)*(12.6+7))
=0.5*π*1.5*1758+0.25*π*1.5*1.5*(210.7+2.45*182.1/22.6*(12.6+7))
=0.5*π*1.5*1758+0.25*π*1.5*1.5*(210.7+2.45*182.1/22.6*19.6)
=0.5*π*1.5*1758+0.25*π*1.5*1.5*597.622208
=1.570796*1.5*1758+0.25*π*1.5*1.5*597.622208
=2.356194*1758+0.25*π*1.5*1.5*597.622208
=4142.189052+0.25*π*1.5*1.5*597.622208
=4142.189052+0.785398*1.5*1.5*597.622208
=4142.189052+1.178097*1.5*597.622208
=4142.189052+1.767145*597.622208
=4142.189052+1056.085097
=5198.274149 答案:0.5*π*1.5*(80*14.1+90*7)+0.25*π*1.5*1.5*(210.7+2.45*(117+9.3*7)/(15.6+7)*(12.6+7))=5198.274149你的问题在这里没有得到解决?请到 热门难题 里面看看吧!