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 900×0.25×((290/261-1)+√((290/261-1)^2+0.25×(8×0.5×290/261)/261)) 的值.
题型:数学计算
解:
900×0.25×((290/261-1)+√((290/261-1)^2+0.25×(8×0.5×290/261)/261))
=900×0.25×(0.111111+√((290/261-1)^2+0.25×(8×0.5×290/261)/261))
=900×0.25×(0.111111+√(0.111111^2+0.25×(8×0.5×290/261)/261))
=900×0.25×(0.111111+√(0.111111^2+0.25×4.444444/261))
=900×0.25×(0.111111+√0.016603)
=900×0.25×0.239964
=225×0.239964
=53.9919 答案:900×0.25×((290/261-1)+√((290/261-1)^2+0.25×(8×0.5×290/261)/261))=53.9919你的问题在这里没有得到解决?请到 热门难题 里面看看吧!