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*((0.26-1)+√((0.26-1)^2+(8×0.5×0.26)/(808×0.25))) 的值.
题型:数学计算
解:
900×0.25*((0.26-1)+√((0.26-1)^2+(8×0.5×0.26)/(808×0.25)))
=900×0.25*((-0.74)+√((0.26-1)^2+(8×0.5×0.26)/(808×0.25)))
=900×0.25*(-0.74+√((-0.74)^2+(8×0.5×0.26)/(808×0.25)))
=900×0.25*(-0.74+√(-0.74^2+1.04/(808×0.25)))
=900×0.25*(-0.74+√(-0.74^2+1.04/202))
=900×0.25*(-0.74+√0.552749)
=900×0.25*0.003471
=225*0.003471
=0.780975 答案:900×0.25*((0.26-1)+√((0.26-1)^2+(8×0.5×0.26)/(808×0.25)))=0.780975你的问题在这里没有得到解决?请到 热门难题 里面看看吧!