A.3772
B.3779
C.3886
D.3943
计算:(1)23×(-5)-(-3)÷(3)/(128);(2)-7×(-3)×(-0.5)+(-12)×(-2.6);(3)(1(3)/(4)-(7)/(8)
[单选题]23, 9, 7, 3, 1, 3, ( )。A.-5B.-11C.3D.1
[单选题]1 2 7 23 76 ( )A . 206B . 218C . 239D . 251
3.单选题设underline (1) 0 -23-|||-4= -2 2 1 3 5 -3 2 underline (7)-|||-4 -1 0 5 B= -
23、 图路-|||-设矩阵A= -2 0 0 7 1 -3 0 -1 -4 1 B= [ dfrac -|||-A |-dfrac (1)(6)(A)^
[单选题]2/3, 1/2, 2/5, 1/3, 9/7,( ).A.1/4B.1/6C.2/11D.2/9
[单选题]1,3,8,33,164,( )。A.999B.985C.1024D.1048
分解因式:(1) (x)^2-7x+3;-|||-__(1) (x)^2-7x+3;-|||-__(1) (x)^2-7x+3;-|||-__分解因式:
[试题]2/3,1/2,3/7,7/18,()A.5/9;B.4/11;C.3/13;D.2/5
[单选题]2/3,1/2,3/7,7/18,()A .4/11B .5/12C .7/15D .3/16