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 ((874*sqrt(2))^2+(2*3000+874*sqrt(2)-sqrt(3000^2+1500^2))^2-3000^2-1500^2)/(2*874*sqrt(2)*(2*3000+874*sqrt(2)-sqrt(3000^2+1500^2))) 的值.
题型:数学计算
解:
((874*sqrt(2))^2+(2*3000+874*sqrt(2)-sqrt(3000^2+1500^2))^2-3000^2-1500^2)/(2*874*sqrt(2)*(2*3000+874*sqrt(2)-sqrt(3000^2+1500^2)))
=((874*sqrt2)^2+(2*3000+874*sqrt(2)-sqrt(3000^2+1500^2))^2-3000^2-1500^2)/(2*874*sqrt(2)*(2*3000+874*sqrt(2)-sqrt(3000^2+1500^2)))
=(1236.023036^2+(2*3000+874*sqrt(2)-sqrt(3000^2+1500^2))^2-3000^2-1500^2)/(2*874*sqrt(2)*(2*3000+874*sqrt(2)-sqrt(3000^2+1500^2)))
=(1236.023036^2+(2*3000+874*sqrt2-sqrt(3000^2+1500^2))^2-3000^2-1500^2)/(2*874*sqrt(2)*(2*3000+874*sqrt(2)-sqrt(3000^2+1500^2)))
=(1236.023036^2+(2*3000+874*sqrt2-sqrt11250000)^2-3000^2-1500^2)/(2*874*sqrt(2)*(2*3000+874*sqrt(2)-sqrt(3000^2+1500^2)))
=(1236.023036^2+3881.92107^2-3000^2-1500^2)/(2*874*sqrt(2)*(2*3000+874*sqrt(2)-sqrt(3000^2+1500^2)))
=5347064.139233/(2*874*sqrt(2)*(2*3000+874*sqrt(2)-sqrt(3000^2+1500^2)))
=5347064.139233/(2*874*sqrt2*(2*3000+874*sqrt(2)-sqrt(3000^2+1500^2)))
=5347064.139233/(2*874*sqrt2*(2*3000+874*sqrt2-sqrt(3000^2+1500^2)))
=5347064.139233/(2*874*sqrt2*(2*3000+874*sqrt2-sqrt11250000))
=5347064.139233/(2*874*sqrt2*3881.92107)
=5347064.139233/9596287.732908
=0.557201 答案:((874*sqrt(2))^2+(2*3000+874*sqrt(2)-sqrt(3000^2+1500^2))^2-3000^2-1500^2)/(2*874*sqrt(2)*(2*3000+874*sqrt(2)-sqrt(3000^2+1500^2)))=0.557201你的问题在这里没有得到解决?请到 热门难题 里面看看吧!