A. 1989
B. 1999
C. 2009
D. 1979
[单选题]:(0.34×2400×0.25+3×3(3/4)+26.25÷(1/3))÷(2/13)+8的值为( )。A.1832B.1919C.2000D.3020
[单选题]以下()是软弱颗粒检测所采用的荷载值①0.15kN②0.25kN③0.34kN④0.90kN⑤1.25kNA . ①②③B . ③④⑤C . ①③⑤D . ②③⑤E . ②④⑤
[单选题]:3/5*0.25/0.125的值是:A.1 B.1.5 C.1.6 D.2.0
[单选题]:3/5×0.25÷0.15的值是( )。A.1B.1.5C.1.6D.2.0
[单选题]3/5×0.25÷0.15的值是( )。A.1B.1.5C.1.6D.2.0
[试题]计算。236+64=1-0.25=312÷3=5.01-1.8=1.63+2.3=1.25×8=3.8÷4=3.75÷0.25=0.72÷0.6=1/6+3/8=18×2/3=16/9÷2/3=
[问答题,计算题] 已知34Mn6#钢的标准成分为C:0.34%Si:0.25%Mn:1.20%P、S≤0.045%.计算该钢种的液相线温度.
[单选题]12×80×0.25×0.125×15×0.4的值是( )。A.180B.82C.D.28
[主观题]总体比例方差的理论最大值是0.25。()
[判断题] 总体比例方差的理论最大值是0.25。A . 正确B . 错误