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*((0.3-1)+√((0.3-1)^2+(8×0.5×0.3)/(695×0.25))) 的值.
题型:数学计算
解:
900×0.25*((0.3-1)+√((0.3-1)^2+(8×0.5×0.3)/(695×0.25)))
=900×0.25*((-0.7)+√((0.3-1)^2+(8×0.5×0.3)/(695×0.25)))
=900×0.25*(-0.7+√((-0.7)^2+(8×0.5×0.3)/(695×0.25)))
=900×0.25*(-0.7+√(-0.7^2+1.2/(695×0.25)))
=900×0.25*(-0.7+√(-0.7^2+1.2/173.75))
=900×0.25*(-0.7+√0.496906)
=900×0.25*0.004916
=225*0.004916
=1.1061 答案:900×0.25*((0.3-1)+√((0.3-1)^2+(8×0.5×0.3)/(695×0.25)))=1.1061你的问题在这里没有得到解决?请到 热门难题 里面看看吧!