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*((0.46-1)+√((0.46-1)^2+(8×0.5×0.46)/(442×0.25))) 的值.
题型:数学计算
解:
900×0.25*((0.46-1)+√((0.46-1)^2+(8×0.5×0.46)/(442×0.25)))
=900×0.25*((-0.54)+√((0.46-1)^2+(8×0.5×0.46)/(442×0.25)))
=900×0.25*(-0.54+√((-0.54)^2+(8×0.5×0.46)/(442×0.25)))
=900×0.25*(-0.54+√(-0.54^2+1.84/(442×0.25)))
=900×0.25*(-0.54+√(-0.54^2+1.84/110.5))
=900×0.25*(-0.54+√0.308252)
=900×0.25*0.015204
=225*0.015204
=3.4209 答案:900×0.25*((0.46-1)+√((0.46-1)^2+(8×0.5×0.46)/(442×0.25)))=3.4209你的问题在这里没有得到解决?请到 热门难题 里面看看吧!