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*((0.5-1)+√((0.5-1)^2+(8×0.5×0.5)/(472×0.25))) 的值.
题型:数学计算
解:
900×0.25*((0.5-1)+√((0.5-1)^2+(8×0.5×0.5)/(472×0.25)))
=900×0.25*((-0.5)+√((0.5-1)^2+(8×0.5×0.5)/(472×0.25)))
=900×0.25*(-0.5+√((-0.5)^2+(8×0.5×0.5)/(472×0.25)))
=900×0.25*(-0.5+√(-0.5^2+2/(472×0.25)))
=900×0.25*(-0.5+√(-0.5^2+2/118))
=900×0.25*(-0.5+√0.266949)
=900×0.25*0.016671
=225*0.016671
=3.750975 答案:900×0.25*((0.5-1)+√((0.5-1)^2+(8×0.5×0.5)/(472×0.25)))=3.750975你的问题在这里没有得到解决?请到 热门难题 里面看看吧!