A.84.46
B.85.42
C.86.32
D.87.45
E.92.15
[单选题]已知=5,=7,则δ=( )。A.0.0238B.0.0286C.0.0333D.0.0476E.0.0571
[单选题]已知,,,若,,共面,则等于( )。A.1或2B.-1或2C.-1或-2D.1或-2
[单选题]已知,,,若,,共面,则等于( )。A.1或2B.-1或2C.-1或-2D.1或-2
[单选题]已知,,,若,,共面,则等于( )。A.1或2B.-1或2C.-1或-2D.1或-2
[单选题]已知,,,若,,共面,则等于( )。A.1或2B.-1或2C.-1或-2D.1或-2
[单选题]已知,,,若,,共面,则等于( )。A.1或2B.-1或2C.-1或-2D.1或-2
[单选题]已知,,,若,,共面,则等于( )。A.1或2B.-1或2C.-1或-2D.1或-2
[单选题]已知,,,若,,共面,则等于( )。A.1或2B.-1或2C.-1或-2D.1或-2
[单选题]患者缺失,要求用金合金制作金属桥进行修复,合金熔化后的最佳铸造时机是A.比金合金熔点高50℃B.比金合金熔点高100~150℃C.金合金熔点温度高20
[单选题]已知,则i=( )。A.B.C.D.E.