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*2500+874*sqrt(2)-sqrt(2500^2+1500^2))^2-2500^2-1500^2)/(2*874*sqrt(2)*(2*2500+874*sqrt(2)-sqrt(2500^2+1500^2))) 的值.
题型:数学计算
解:
((874*sqrt(2))^2+(2*2500+874*sqrt(2)-sqrt(2500^2+1500^2))^2-2500^2-1500^2)/(2*874*sqrt(2)*(2*2500+874*sqrt(2)-sqrt(2500^2+1500^2)))
=((874*sqrt2)^2+(2*2500+874*sqrt(2)-sqrt(2500^2+1500^2))^2-2500^2-1500^2)/(2*874*sqrt(2)*(2*2500+874*sqrt(2)-sqrt(2500^2+1500^2)))
=(1236.023036^2+(2*2500+874*sqrt(2)-sqrt(2500^2+1500^2))^2-2500^2-1500^2)/(2*874*sqrt(2)*(2*2500+874*sqrt(2)-sqrt(2500^2+1500^2)))
=(1236.023036^2+(2*2500+874*sqrt2-sqrt(2500^2+1500^2))^2-2500^2-1500^2)/(2*874*sqrt(2)*(2*2500+874*sqrt(2)-sqrt(2500^2+1500^2)))
=(1236.023036^2+(2*2500+874*sqrt2-sqrt8500000)^2-2500^2-1500^2)/(2*874*sqrt(2)*(2*2500+874*sqrt(2)-sqrt(2500^2+1500^2)))
=(1236.023036^2+3320.547089^2-2500^2-1500^2)/(2*874*sqrt(2)*(2*2500+874*sqrt(2)-sqrt(2500^2+1500^2)))
=4053785.915789/(2*874*sqrt(2)*(2*2500+874*sqrt(2)-sqrt(2500^2+1500^2)))
=4053785.915789/(2*874*sqrt2*(2*2500+874*sqrt(2)-sqrt(2500^2+1500^2)))
=4053785.915789/(2*874*sqrt2*(2*2500+874*sqrt2-sqrt(2500^2+1500^2)))
=4053785.915789/(2*874*sqrt2*(2*2500+874*sqrt2-sqrt8500000))
=4053785.915789/(2*874*sqrt2*3320.547089)
=4053785.915789/8208545.388253
=0.493849 答案:((874*sqrt(2))^2+(2*2500+874*sqrt(2)-sqrt(2500^2+1500^2))^2-2500^2-1500^2)/(2*874*sqrt(2)*(2*2500+874*sqrt(2)-sqrt(2500^2+1500^2)))=0.493849你的问题在这里没有得到解决?请到 热门难题 里面看看吧!