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*2600+874*sqrt(2)-sqrt(2600^2+1500^2))^2-2600^2-1500^2)/(2*874*sqrt(2)*(2*2600+874*sqrt(2)-sqrt(2600^2+1500^2))) 的值.
题型:数学计算
解:
((874*sqrt(2))^2+(2*2600+874*sqrt(2)-sqrt(2600^2+1500^2))^2-2600^2-1500^2)/(2*874*sqrt(2)*(2*2600+874*sqrt(2)-sqrt(2600^2+1500^2)))
=((874*sqrt2)^2+(2*2600+874*sqrt(2)-sqrt(2600^2+1500^2))^2-2600^2-1500^2)/(2*874*sqrt(2)*(2*2600+874*sqrt(2)-sqrt(2600^2+1500^2)))
=(1236.023036^2+(2*2600+874*sqrt(2)-sqrt(2600^2+1500^2))^2-2600^2-1500^2)/(2*874*sqrt(2)*(2*2600+874*sqrt(2)-sqrt(2600^2+1500^2)))
=(1236.023036^2+(2*2600+874*sqrt2-sqrt(2600^2+1500^2))^2-2600^2-1500^2)/(2*874*sqrt(2)*(2*2600+874*sqrt(2)-sqrt(2600^2+1500^2)))
=(1236.023036^2+(2*2600+874*sqrt2-sqrt9010000)^2-2600^2-1500^2)/(2*874*sqrt(2)*(2*2600+874*sqrt(2)-sqrt(2600^2+1500^2)))
=(1236.023036^2+3434.356832^2-2600^2-1500^2)/(2*874*sqrt(2)*(2*2600+874*sqrt(2)-sqrt(2600^2+1500^2)))
=4312559.795028/(2*874*sqrt(2)*(2*2600+874*sqrt(2)-sqrt(2600^2+1500^2)))
=4312559.795028/(2*874*sqrt2*(2*2600+874*sqrt(2)-sqrt(2600^2+1500^2)))
=4312559.795028/(2*874*sqrt2*(2*2600+874*sqrt2-sqrt(2600^2+1500^2)))
=4312559.795028/(2*874*sqrt2*(2*2600+874*sqrt2-sqrt9010000))
=4312559.795028/(2*874*sqrt2*3434.356832)
=4312559.795028/8489888.316392
=0.507964 答案:((874*sqrt(2))^2+(2*2600+874*sqrt(2)-sqrt(2600^2+1500^2))^2-2600^2-1500^2)/(2*874*sqrt(2)*(2*2600+874*sqrt(2)-sqrt(2600^2+1500^2)))=0.507964你的问题在这里没有得到解决?请到 热门难题 里面看看吧!