口算. 24×50=36-36÷36=12×600=130×20=31×25×4 发布时间:2017-04-22 16:48 │ 来源:www.tikuol.com 题型:解答题 问题: 口算. 24×50=36-36÷36=12×600=130×20=31×25×4=860÷20=6300÷700=35×0÷48=294×32≈789×40≈5392÷90≈
题型:解答题 设随机变量ξ服从标准正态分布N(0,1),在某项测量中,已知P(|ξ|<1.96)=0.950,则ξ在(-∞,-1.96)内取值的概率为( )A.0.025B.0.050 C.0.950 D.0.975 查看答案
题型:解答题 ()may be laid ready for the cargo or may just be put in bundles ready for the stevedores to lay out as the cargo is loaded.A.WedgeB.DunnageC.ShoreD.Store 查看答案