你可能感兴趣的试题
(A)1 4 7 2 5 8 3 6 9 (B)1 2 3 4 5 6 7 8 9 (C)9 6 1 8 5 2 7 4 3 (D)9 8 7 6 5 4 3 2 1
1-3,5-7,20 1-3,5,6,7-20 1,3-5,6-7,20 1,3,5-7,20
1 4 7 1 2 3 2 5 8 4 5 6 3 6 9 7 8 9 9 6 1 9 8 7 8 5 2 6 5 4 7 4 3 3 2 1
1-3,5-7,20 1-3,5,6,7-20 1,3-5,6-7,20 1,3,5-7,20
1 2 3 4 5 6 1 4 2 5 3 6 6 5 4 3 2 1 6 3 5 2 4 1
1 2 3 4 5 6 1 4 2 5 3 6 6 5 4 3 2 1 6 3 5 2 4 1
=1.75x-5.75 =1.75x+5.75 =-1.75x+5.75 =-1.75x-5.75
(﹣5,﹣4) (﹣7,20) (﹣,1) (,﹣7)
{2,4,7,8} {1,3,5,6}
y=5-17x y=-17+5x y=17+5x y=17-5x
1 2 3 4 5 6 7 8 9 9 6 1 8 5 2 7 4 3 1 4 7 2 5 8 3 6 9 9 8 7 6 5 4 3 2 1
1 2 3 4 5 6 1 4 2 5 3 6 6 5 4 3 2 1 6 3 5 2 4 1
1 4 7 2 5 8 3 6 9 1 2 3 4 5 6 7 8 9 9 6 1 8 5 2 7 4 3 9 8 7 6 5 4 3 2 1