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*((0.2-1)+√((0.2-1)^2+(8×0.5×0.2)/(632×0.25))) 的值.
题型:数学计算
解:
900×0.25*((0.2-1)+√((0.2-1)^2+(8×0.5×0.2)/(632×0.25)))
=900×0.25*((-0.8)+√((0.2-1)^2+(8×0.5×0.2)/(632×0.25)))
=900×0.25*(-0.8+√((-0.8)^2+(8×0.5×0.2)/(632×0.25)))
=900×0.25*(-0.8+√(-0.8^2+0.8/(632×0.25)))
=900×0.25*(-0.8+√(-0.8^2+0.8/158))
=900×0.25*(-0.8+√0.645063)
=900×0.25*0.003158
=225*0.003158
=0.71055 答案:900×0.25*((0.2-1)+√((0.2-1)^2+(8×0.5×0.2)/(632×0.25)))=0.71055你的问题在这里没有得到解决?请到 热门难题 里面看看吧!