(-1/2-2/3+1/4)*(-12)
(2/3-3/4-1/12)X(-24)
数字推理 1/2,1,4/3,19/12,)
找规律 1、3、6、2、4( ) ( )12
(1/2+1/4+1/6+1/8)-(1/3+1/6+1/9+1/12)+(1/4+1/8+1/12+1/16)-(1/
找规律填空:1/12,1/6,1/4,1/3,5/12,1/2,().
(-1/12)×8/15×(-2/3)×(-2又4分之1)
-13又1/2×(1又1/4-2又11/12)÷ (-0.5)÷3/4×4/3-4/3×[(-2)^2-2^2]
-1,2,0,4,4,12,( )
数列:1,3,2,-2,-12,( )
二年级数学找规律填空(1) (2) (3) (2) (1) \ / \ / \ / \ / \ (2) (4) (12)
6-(1/2+3/4-5/12)?
找规律,1 3 2 6 4( ) ( ) 12 7