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 0.518-0.02315*31.034+0.000425*31.034^2-3*10^-6*31.034^3 的值.
题型:数学计算
解:
0.518-0.02315*31.034+0.000425*31.034^2-3*10^-6*31.034^3
=0.518-0.02315*31.034+0.000425*963.109155999999984-3*10^(-6)*31.034^3
=0.518-0.02315*31.034+0.000425*963.109155999999984-3*0.000001*31.034^3
=0.518-0.02315*31.034+0.000425*963.109155999999984-3*0.000001*29889.129547303997242
=0.518-0.718437+0.000425*963.109155999999984-3*0.000001*29889.129547303997242
=0.518-0.718437+0.409321-3*0.000001*29889.129547303997242
=0.518-0.718437+0.409321-0.000003*29889.129547303997242
=0.518-0.718437+0.409321-0.089667
=-0.200437+0.409321-0.089667
=0.208884-0.089667
=0.119217 答案:0.518-0.02315*31.034+0.000425*31.034^2-3*10^-6*31.034^3=0.119217你的问题在这里没有得到解决?请到 热门难题 里面看看吧!