A.2109
B.1289
C.322
D.147
[单选题]:1,2,3,7,46,( )。A.2109 B.1289 C.322 D.147
[主观题]1,2,3,7,46,()A.2109;B.1289;C.322;D.147
[单选题]34 1 , 2 , 3 , 7 , 46 ,()A. 2109B 1289C 322D 147
[单选题]2/3, 1/2, 2/5, 1/3, 9/7,( ).A.1/4B.1/6C.2/11D.2/9
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
( ) 1 2 1 2-|||-= 2 underline (7) 2 1-|||-1 2 3 41 2 1 2-|||-= 2 underline (7) 2
设1 1 1 1-|||-4 1 -3 7-|||-0 -2 0 5-|||-2 -3 7 9,1 1 1 1-|||-4 1 -3 7-|||-0 -2 0
[主观题]填空。1/3+7/13=()5/7-2/7=()()-1/12=11/127/5-()=3/5