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*135+874*sqrt(2)-sqrt(135^2+1500^2))^2-135^2-1500^2)/(2*874*sqrt(2)*(2*135+874*sqrt(2)-sqrt(135^2+1500^2))) 的值.
题型:数学计算
解:
((874*sqrt(2))^2+(2*135+874*sqrt(2)-sqrt(135^2+1500^2))^2-135^2-1500^2)/(2*874*sqrt(2)*(2*135+874*sqrt(2)-sqrt(135^2+1500^2)))
=((874*sqrt2)^2+(2*135+874*sqrt(2)-sqrt(135^2+1500^2))^2-135^2-1500^2)/(2*874*sqrt(2)*(2*135+874*sqrt(2)-sqrt(135^2+1500^2)))
=(1236.023036^2+(2*135+874*sqrt(2)-sqrt(135^2+1500^2))^2-135^2-1500^2)/(2*874*sqrt(2)*(2*135+874*sqrt(2)-sqrt(135^2+1500^2)))
=(1236.023036^2+(2*135+874*sqrt2-sqrt(135^2+1500^2))^2-135^2-1500^2)/(2*874*sqrt(2)*(2*135+874*sqrt(2)-sqrt(135^2+1500^2)))
=(1236.023036^2+(2*135+874*sqrt2-sqrt2268225)^2-135^2-1500^2)/(2*874*sqrt(2)*(2*135+874*sqrt(2)-sqrt(135^2+1500^2)))
=(1236.023036^2+(-0.039712)^2-135^2-1500^2)/(2*874*sqrt(2)*(2*135+874*sqrt(2)-sqrt(135^2+1500^2)))
=-740472.0529/(2*874*sqrt(2)*(2*135+874*sqrt(2)-sqrt(135^2+1500^2)))
=-740472.0529/(2*874*sqrt2*(2*135+874*sqrt(2)-sqrt(135^2+1500^2)))
=-740472.0529/(2*874*sqrt2*(2*135+874*sqrt2-sqrt(135^2+1500^2)))
=-740472.0529/(2*874*sqrt2*(2*135+874*sqrt2-sqrt2268225))
=-740472.0529/(2*874*sqrt2*(-0.039712))
=-740472.0529/(-98.169894)
=7542.761052 答案:((874*sqrt(2))^2+(2*135+874*sqrt(2)-sqrt(135^2+1500^2))^2-135^2-1500^2)/(2*874*sqrt(2)*(2*135+874*sqrt(2)-sqrt(135^2+1500^2)))=7542.761052你的问题在这里没有得到解决?请到 热门难题 里面看看吧!