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〖1/1算式〗
作业:求算式 (1.5*0.715)-2*(0.715)^3+2*(0.715)^2-(31/24*0.715)-0.2 的值.
题型:数学计算
解:
(1.5*0.715)-2*(0.715)^3+2*(0.715)^2-(31/24*0.715)-0.2
=1.0725-2*(0.715)^3+2*(0.715)^2-(31/24*0.715)-0.2
=1.0725-2*0.715^3+2*(0.715)^2-(31/24*0.715)-0.2
=1.0725-2*0.715^3+2*0.715^2-(31/24*0.715)-0.2
=1.0725-2*0.715^3+2*0.715^2-0.923542-0.2
=1.0725-2*0.365525875+2*0.715^2-0.923542-0.2
=1.0725-2*0.365525875+2*0.511225-0.923542-0.2
=1.0725-0.731052+2*0.511225-0.923542-0.2
=1.0725-0.731052+1.02245-0.923542-0.2
=0.341448+1.02245-0.923542-0.2
=1.363898-0.923542-0.2
=0.440356-0.2
=0.240356 答案:(1.5*0.715)-2*(0.715)^3+2*(0.715)^2-(31/24*0.715)-0.2=0.240356你的问题在这里没有得到解决?请到 热门难题 里面看看吧!