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*((0.41-1)+√((0.41-1)^2+(8×0.5×0.41)/(690×0.25))) 的值.
题型:数学计算
解:
900×0.25*((0.41-1)+√((0.41-1)^2+(8×0.5×0.41)/(690×0.25)))
=900×0.25*((-0.59)+√((0.41-1)^2+(8×0.5×0.41)/(690×0.25)))
=900×0.25*(-0.59+√((-0.59)^2+(8×0.5×0.41)/(690×0.25)))
=900×0.25*(-0.59+√(-0.59^2+1.64/(690×0.25)))
=900×0.25*(-0.59+√(-0.59^2+1.64/172.5))
=900×0.25*(-0.59+√0.357607)
=900×0.25*0.008003
=225*0.008003
=1.800675 答案:900×0.25*((0.41-1)+√((0.41-1)^2+(8×0.5×0.41)/(690×0.25)))=1.800675你的问题在这里没有得到解决?请到 热门难题 里面看看吧!