| oncez |
07-12-3 23:15 |
41.15,3,1,3/8,3/25,( ) A. 0 B. 2 C. 316 D. 34 15/1 12/4 9/9 6/16 3/25 0/36 42.3,4,8,( ),220 A.40 B.56 C.28 D.140 a*b-4=c 43.82, 36, 72, 32,( ) A 16 B 42 C 18 D 48 (8+2)^2-8^2 =36 (6+3)^2-3^2=72 (7+2)^2-7^2=32 (3+2)^2-3^2=16 44.2,3,5,11,46,( )。 A. 520 B. 490 C. 410 D. 97 2*3-1=5 3*5-4=11 5*11-9=46 11*46-16=490 45. 68,52,36,24,12,( ) A .6 B .11 C .4 D .5 2+3=5 5+7=12 11+13=24 17+19=36 23+29=52 31+37=68 质数和 答案给的好像是acaac ... 我还是觉得44应该选b..........
|
|