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×((248/351-1)+√((248/351-1)^2+0.25×(8×0.28×248/351)/261)) 的值.
题型:数学计算
解:
900×0.25×((248/351-1)+√((248/351-1)^2+0.25×(8×0.28×248/351)/261))
=900×0.25×((-0.293447)+√((248/351-1)^2+0.25×(8×0.28×248/351)/261))
=900×0.25×(-0.293447+√((-0.293447)^2+0.25×(8×0.28×248/351)/261))
=900×0.25×(-0.293447+√(-0.293447^2+0.25×1.582678/261))
=900×0.25×(-0.293447+√0.087627)
=900×0.25×0.002572
=225×0.002572
=0.5787 答案:900×0.25×((248/351-1)+√((248/351-1)^2+0.25×(8×0.28×248/351)/261))=0.5787你的问题在这里没有得到解决?请到 热门难题 里面看看吧!