A.1
B.2
C.3
D.4
[单选题]12,2,2,3,14,2,7,1,18,3,2,3,40,10,( ),4A.4B.2C.3D.1
[单选题]12,2,2,3,14,2,7,1,18,3,2,3,40,10,( ),4。A.4B.2C.3D.1
计算:(1)(-1)100×5+(-2)4÷4;(2)(-3)3-3×(-(1)/(3))4;(3)(7)/(6)×((1)/(6)-(1)/(3))×(3)/
已知1 2 -2 4-|||-2 2 2 2-|||-1 4 -3 5-|||--1 4 2 7,1 2 -2 4-|||-2 2 2 2-|||-1 4 -3
[主观题]计算。4/3-(2/5+3/10)5/7+1/4-9/143/4+3/6-5/8
计算:(1)((11)/(12)-(7)/(6)+(3)/(4)-(13)/(24))×(-48);(2)-9+5×|-3|-(-2)2÷4;(3)-18+(-
[主观题]2/3,1/2,3/7,7/18,()A、4/11;B、5/12;C、7/15;D、3/16
设2 -2 -4 2 -3 -5-|||-A= -1 3 4 B= -1 4 5-|||-1 -2 -3 1 -3 -4(1)验证2 -2 -4 2 -3 -5
14.设 (alpha )_(1)=(1,-1,2,4) (alpha )_(2)=(0,3,1,2), (alpha )_(3)=(3,0,7,14), (a
[主观题]3,2,5/3,3/2,()A、1/2;B、1/4;C、5/7;D、7/3