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 2493/1*(1+1/2+(1/2)^2-(1/2)^3)/(1-1/2)^3-0.027/(1*(1+1)) 的值.
题型:数学计算
解:
2493/1*(1+1/2+(1/2)^2-(1/2)^3)/(1-1/2)^3-0.027/(1*(1+1))
=2493/1*(1+1/2+0.5^2-(1/2)^3)/(1-1/2)^3-0.027/(1*(1+1))
=2493/1*(1+1/2+0.5^2-0.5^3)/(1-1/2)^3-0.027/(1*(1+1))
=2493/1*1.625/(1-1/2)^3-0.027/(1*(1+1))
=2493/1*1.625/0.5^3-0.027/(1*(1+1))
=2493/1*1.625/0.5^3-0.027/(1*2)
=2493/1*1.625/0.5^3-0.027/2
=2493/1*1.625/0.125-0.027/2
=2493*1.625/0.125-0.027/2
=4051.125/0.125-0.027/2
=32409-0.027/2
=32409-0.0135
=32408.9865 答案:2493/1*(1+1/2+(1/2)^2-(1/2)^3)/(1-1/2)^3-0.027/(1*(1+1))=32408.9865你的问题在这里没有得到解决?请到 热门难题 里面看看吧!