1、数字推理之飞风舞蝶的错题难题集数字推理之飞风舞蝶的错题、难题集递推型:1,0,1,1,2,( ),5 A+B=C1+0=10+1=11+1=21+2=32+3=53,9,6,9,27,(),27 a.36 b.9 c.18 d.1/16A*3=D3*3=99*3=276*3=189*3=27113,202,222,400,( )a.440 b.555 c.518d,628(113-2)*2=222(202-2)*2=400(222-2)*2=4404/3,0,4,8,( ) a.27 b.21 c.18 d.284/3+0=4/30+4=44+8=124/3*3=4,4*3=12或者3-1+1
2、30-131+132-133+1=281,3,2,4,5,16,()a.50 b.86 c.75 d.711*3-1=23*2-2=42*4-3=54*5-4=165*16-5=753,2,3,7,18,( ) a.36 b.47 c.24 d.70以第一个3为基数,分别乘以各项2*3=3+33*3=2+77*3=3+1818*3=7+47或者:3B=A+C2,1,-2,-10,4,( ) A-40 B8 C-72 D-62*1-4 = -2 1*(-2)-8 = -10 (-2)*(-10)-16= 4(-10)*4-32= -720, 3,17,95,() A、119 B、239 C、47
3、9D、5991*1-1=02*2-1=33*6-1=174*24-1=955*120-1=5991,2,6,24,120 分别乘以2,3,4,53,16,45,96,( ),288 1*3=32*8=163*15=454*24=965*(35)=(175)6*48=2883,8,15,24,(35),4857 9 11 134,9,15,26,43,( 71 ) 5,6,11,17,28 A+B=C2,1,3,7,24,(103)2+1*1=31+3*2=73+7*3=247+24*4=103(10.25),13.5,22,41,8110.25*2-7=13.513.5*2-5=2222*2-
4、3=4141*2-1=812,6,30,210,2310,() 2*3=66*5=3030*7=210210*11=23102310*13=(30030)2,3,7,25,121,( 721)2*2-1=33*3-2=77*4-3=2525*5-4=121121*6-5=7212,17,69,139,(140) 2*8+1=1717*4+1=6969*2+1=139139*1+1=1402,5,9,16,35,( )(5-2)*3=9(9-5)*4=16(16-9)*5=35(35-16)*6=1141,3/2, 11/6,25/12,( ) 3/2-1=1/211/6-3/2=1/325/1
5、2-11/6=1/4X-25/12=1/532,8,4,3,(3 )32*1/4=88*2/4=44*3/4=33*4/4=31 , 2 , 1 , 6 , 9 , 10 , ( ) 1+2+1=4 2+1+6=9 1+6+9=16 6+9+10=25 9+10+17=362,4,0,8,8,24,40,() 0+4*2=88+0*2=88+8*2=2424+8*2=4040+24*2=885,6,19,17,(344),55A.15 B.344 C.343 D.1152=6+1962=19+17192=17+344172=344-552,1,5,11,111,( ) A.1982 B.167
6、8 C.1111 D.2443(21)2+1=5(15)2+1=11(511)2+1=111(11111)2+1=24430,3,17,95,() A.119B.239C.479D.5991*1-1 =01*2*2-1 =31*2*3*3-1 =171*2*3*4*4-1 =951*2*3*4*5*5-1=5991,2,5,12,27,()1*2+0=22*2+1=55*2+2=1212*2+3=2727*2+4=580,0,1,5,23 () A.119B.79C.63D.47 0*1+00*2+11*3+25*4+323*5+4=119157,65,27,11,5,() 157=65*2+
7、2765=27*2+1127=11*2+511=5*2+(1)15,65,175,369,() A、671B、690C、675D、7173*55*137*259*4111*61=6712,15,40,77,(126) 1*23*55*87*119*14=126-1,4,21,56,115,(204)1*-12*23*74*145*236*34=204-1,2,7,14,23,34差为3,5,7,9,11或者做差得到:5,17,35,59,89再次做差得到:12,18,24,30 等差4/3,1,2,7,( ) A、27 B、21 C、18 D、244/3*3-3=11*3-1=22*3+1=7
8、7*3+3=24另:1+3-1=4/30+30=1-1+31=2-2+32=7-3+33=240,1,1,4,19,()A*3+B2=C0*3+12=11*3+12=41*3+42=194*3+192=2,1,5,11,111,()(A*B)*2+1=C0,1,3,6,9,45,(),126 (0+1)*3=3(1+3)*1.5=6(3+6)*1=9(6+9)*3=45(9+45)*1.5=81(45+81)*1=12624,70,208,()A140B416C622 D2783A-2=B24*3-2=7070*3-2=208208*3-2=4160,1,3,8,21,() A42B29C55
9、D633B-A=C2,7,24,77,()A154 B101 C238 D6092*3+1=77*3+3=2424*3+5=7777*3+7=238-1,-1,-2,-1,-3,( ) A.-2 B.0 C.-5D.-1(-1)3+(-1)=-2(-1)2+(-2)=-1(-2)1+(-1)=-3(-1)0+(-3)=-23,7,21,64,()A100B101C102D103解法一:除以3得到:0,1,0,1,(0)选C解法二:3*3+7=16=427*4+21=49=7221*5+64=169=13264*6+(100)=484=2224,7,13,223 6 92 ,3 ,8 , 13
10、,( )A29 B30C 31D322*2-1=33*2+2=88*2-3=1313*2+4=3022,8,28,40,24,32,(16)A-B的绝对值乘以2=C5 6 6 9() 81A 12B15 C18 D21A*B分别除以:5,4,3,2得到C5 6 6 9() 90A 12B15 C18 D21(5-3)*(6-3)=6(6-3)*(6-3)=9(6-3)*(9-3)=18(9-3)*(18-3)=904,11,25,(),7A20 B22 C24D264*3-1=1111*2+3=2525*1-5=2020*0+7=72,6,10,18,32,()A16 B 58 C 64 D
11、61解析:6*2-2*1=1010*3-6*2=1818*4-10*4=3232*5-18*8=161,2,3,8,39,() A 72 B 104C 225D428 (1+2)*3-1=8(2+3)*8-1=39(3+8)*39-1=42811,8,10,21,72,()A 173B 172 C 730 D 34511*1-3=88*2-6=1010*3-9=2121*4-12=7272*5-15=345-3 6 0 121236 ( )A.64B36C60D48A+B=3,6,12,24,48,96 96-36=608378.512( ) A14.5B15.5 C16.25 D207=8/
12、2+38.5=3/2+712=7/2+8.5X=8.5/2+12=16.253 45 1114 A104 B105C 106D107A2=B+C1,3,-2,-14,17,()A -238 B -249 C -252 D -2551*3-53*-2-8-2*-14-11-14*17-14=-25214,2,15,12,2,() A -11 B 24 C -111 D 39A+B-C得到:1,5,25,12512+2-(-111)=125次方:80,62,45,28,( ) 92-1=8082-2=6272-4=4562-8=2852-16=95,7,4,9,25,()A.5 B.27 C.25
13、6 D.625(5-7)2=4(7-4)2=9(4-9)2=25(9-25)2=2565,6,19,17,( ),-5534452=6+1962=19+17192=17+X172=X-551,2,9,64,( ) 10 21 32 43 (54)=6255 ,5 ,14 ,38 ,87 ,( )A.167 B. 168 C.169 D. 170做差得到:0,9,24,49,(80)12-1=032=952-1=2472=4992-1=8087+80=1671 2 9 28 ( )A 57 B 68 C 65 D 7403+1=113+1=223+1=933+1=2843+1=651,13,4,
14、22,31,( ),274A. 93 B. 31 C. 103 D. 21631=4-132=22-1333=31-434=103-2235=274-312,15,7,40,77,( )A、96 B、126 C、138D、158方法一:2+15+7+(16)=4015+7+40+(15)=777+40+77+(14)=138方法二:15-2=13=42-340-7=33=62-3138-77=61=82-313、15、35、63、80、() A、99B、63 C、86 D、80(1+3)2-1=15(1+5)2-1=35(3+5)2-1=63(6+3)2-1=80(8+0)2-1=6311/1
15、0,2,7,17,( )10-1+180+161+142+123+1=914,20,54,76,(126)32+552-572+592-5112+5=1265,13,25,41,611+4=54+9=139+16=2516+25=4125+36=61 另:也可是二级等差数列2,30,130,350,(738) 13+133+353+573+793+9=73863,72,76,112,( ) A.256 B.257C.258 D.259正确答案:A.答案解析:72-63=32除了最高位其他位的平方76-72=22112-76=62?-112=122 -1,3,11,37,79,() A.150B
16、151C152D153正确答案:B答案解析:1*02-1=-12*12+1=33*22-1=114*32+1=375*42-1=796*52+1=15115,26,38, ( ), 55A.49 B.67 C.42 D.81正确答案:B答案解析:个位的平方加上十位等于第二个数。1,13,36,69,104,() A224B119C343D459 正确答案 B 答案解析:23-7=133-14=1343-28=3653-56=6963-112=10473-224=1197,14,28,56,112,224等比27/7, 53/6, 79/5, 99/4, 107/3, 97/2, () A.51
17、 B. 63 C.79 D.91解析:4-1/79-1/616-1/525-1/436-1/349-1/264-1/1=632,15,7,40,77,( )A96 B126 C138 D15615-2=13=42-340-7=33=62-3138-77=61=82-3-1,0,31,80,63,( ),5 A35 B24 C26 D3707-1=-116-1=025-1=3134-1=8043-1=6352-1=2461-1=51,0,-1,-2,() A3-1=B13-1=003-1=-1-13-1=-2-23-1=-91,5,14,32,()A. 93/2 B. 59C. 67 D. 71
18、 做差得到:4,9,18,3522+0=423+1=924+2=1825+3=3532+35=67-1,7,5,21,(),43A19B23C25D29答案解析:12-2=-122+3=732-4=542+5=2152-6=1962+7=430,6,78,(),15620 A.240B.252C.1020D.777112-123-234-345-4=102056-50、6、23、48、121、170 22-4=032-3=652-2=2372-1=48112-0=121132+1=1703,3,6,3,33,()A.-24,B.27C.36D.54A2=B+C32=3+632=6+362=3+
19、3332=33-243,30,29,12,()A.92B.7C.8D.1014+233+352+471+590+6-1, 3, 3, 5, 37, ( ) A.87 B.327 C.729 D.735 (-2)1+1=-1 (-1)2+2=3 03+3=3 14+4=5 25+5=37 36+6=73539、74、71、18、( ) 25+7=3934-7=7443+7=7152-7=1861+7=13-2 124253() A.3122B.2956C.89D.4311-322-333-344-355-315 26 154( )A.3B.2 C.5 D.0 24-133-142-151-160
20、-1=011 33 73 () 231A.113B137C.153D.177做差得到:22,40,64,94再做差得到:18,24,3023+3=1133+6=3343+9=7353+12=13763+15=231-523 411 ( )A72B30 C9 D2选B(-2)3+3=-5(-1)3+3=203+3=313+3=423+3=1133+3=30-2 124253() A.3122B.2956C.89D.4311-322-333-344-355-315 26 154() A.3B.2 C.5 D.024-133-142-151-160-1=013,15,35,63,80,() A 63
21、B 86C 80D99 (1+3)2-1=15(1+5)2-1=35(3+5)2-1=63(6+3)2-1=80(8+0)2-1=63把每个数字拆开看-3, 9, 0, 81,( ) A.-81 B.128 C.156 D.250A2-B=C0 ,6 ,78 ,() ,15620 A.240 B.252 C.1020 D.777112-1=023-2=634-3=7845-4=102056-5=156203,-2,11,-12,()A.9 B.-10 C.32 D.3721+1=3-22+2=-223+3=11-24+4=-1225+5=3781,30,15,12,()A.10 B.8 C.13 D.1434+0=8133+3=3032+6=1531+9=1230+12=132,0, 0,4,6,()A.3 B.6 C.12 D.24-2(-1)5=2 -104=0 013=0 122=4 231=6 340=3质数、合数11,22,33,45,(),7110+1=1120+2=2230+3=3340+5=4550+7=5760+11=711,2,3,5,7,11 非合数列8,10,13,18,25,() A 30 B 33 C 36 D 39 做差得到:2,3,5,7,11质数列25+11=3624,48,72,90,( ) A 120 B
copyright@ 2008-2022 冰豆网网站版权所有
经营许可证编号:鄂ICP备2022015515号-1