(200)高分悬赏啊!!!!六道超难的找规律数学题。

2024-11-08 04:52:22
推荐回答(5个)
回答(1):

①1,2,3,4,(7),6,11
1+2=3
2+3=5
3+4=7
4+7=11
7+6=13
6+11=17
前后两项之和是质数,并且是按大小顺序排列。

②0,0,6,24,60,120(210或336)
方法一:
0-0=0
6-0=6
24-6=18
60-24=36
120-60=60
从各项的差0,6,18,36,60,
得知:6×0,6×1,6×(1+2),6×(1+2+3),6×(1+2+3+4),
此推出后一项的差值应该为6×(1+2+3+4+5)=90
所以x-120=90
求出x=210
方法二:
0=0³-0
0=1³-1
6=2³-2
24=3³-3
60=4³-4
120=5³-5
210=6³-6
可知通项公式:n³-n
方法三:
(-1)×0×1=0
0×1×2=0
1×2×3=6
2×3×4=24
3×4×5=60
4×5×6=120
5×6×7=210
6×7×8=336
所以此题答案为:0,0,6,24,60,120(210或336)

③-2,-14,-24,4,130,438,(1036)
1^3×(-3)+1=-2
2^3×(-2)+2=-14
3^3×(-1)+3=-24
4^3×0+4=4
5^3×1+5=130
6^3×2+6=438
7^3×3+7=1036

④5,67,37,515,101(1731)
2^2+1=5
4^3+3=67
6^2+1=37
8^3+3=515
10^2+1=101
12^3+3=1731

⑤14,20,54,76,(126)
3^2+5=14
5^2-5=20
7^2+5=54
9^2-5=76
11^2+5=126

⑥2,3,2,4,(5),(嫌察4),2,7
(2-3)^2+1=2
(3-2)^2+3=4
(2-4)^2+1=5
(4-5)^2+3=4
(5-4)^2+1=2
(4-2)^2+3=7
可知在从第三型巧起,后一项为前两项之差的平方再(奇数项+1,偶数项+3)由此可知其规律。卜者键
亲,你懂了吗?

回答(2):

楼主看一下我的答案吧!我做了很多工作的啊!
❶1,2,3,4,(7),6,11
后一项和前一项的和都是质数!而且它们是按大小顺序排列的!
1+2=3
2+3=5
3+4=7
4+7=11
7+6=13
6+11=17 ,3,5,7,11,13,17都是质数所以是7
不是5的原因是,题目中就给出了7个数,你不能用后面没有的数来推测前面的数,
对此答称咋一看有点道理,其实很荒谬!
规律题就是从前往后推的渐变过程.
❷0,0,6,24,60,120(336)
(-1)x0x1 =0
0x1x2 =0
1x2x3 =6
2x3x4 =24
3x4x5 =60
4x5x6 =120
5x6x7 =210
6x7x8 =336 所以是336
楼上之所以错了是因为,虽然第二次做差有规律,可第一次做差没有规律了.
虽然都是6的倍数,但0,1,3,4,6,10,15是桥轿没有森消慧规律的
❸-2,-14,-24,4,130,438,(1036)
1^3 x(-3)+1= -2
2^3 x(-2)+2= -14
3^3 x(-1)+3= -24
4^3 x0 +4= 4
5^3 x1 +5= 130
6^3 x2 +6= 438
7^3 x3 +7= 1036 规律很明显了,所以是1036
❹5,67,37,515,101(1731)
2^2+1 =5
4^3+3 =67
6^2+1 =37
8^3+3 =515
10^2+1 =101
12^3+3 =1731
❺14,20,54,76,(126)
3^2+5 =14
5^2-5 =20
7^2+5 =54
9^2-5 =76
11^2+5 =126
❻2,3,2,4,(2),(5),2,7
俩个数看成一组,则
3-2=1
4-2=2
1+2=3
5-2=3
2+3=5
7-2=5
前俩组差的和,等于下一组的差!
如果是2 6 的话,则6-4=2啊,就不再是1了!

回答(3):

1、
2、分别为n³-n(n≥0的整数),所以空格为6³型启-6=210;
3、
4、两种思路:一、两个数一组,后者是前者×13+(前者-3),如67=5×13+(5-3), 515=37×13+(37-3),纤握因此最后数=101×13+(101-3)=1411
二、按照奇数和偶数:奇数列分别为2²卜竖如+1,6²+1,10²+1,2、6、10为公差是4的等差数列;
偶数列分别为4³+3,8³+3,4和8公差为4,最后一个数为12³+3=1731
由于楼主没有提供具体选项,这两种方法都没问题
5、 126,易看出14=3²+5,20=5²-5,54=7²+5,76=9²-5,故后者为11²+5=126
6、为2,5;两个数一组,3-2=1,4-2=2,7-2=5,中间猜测可以为5-2=3,构成1+2=3,2+3=5

回答(4):

1、1=2的平方-3,2=2的平方-2,3=2的平方-1,4=2的平方-0,(5)=2的平方+1,6=2的平方+2,11=2的平方+3
2、0,0,6,24,60,120,(210)
做差:0,6,18,36,60,(90)
再做差:6,12,18,24,(30)
除6:1,2,3,4,(5)
3、、-2,-14,-24,4,130,438,(1036)
做差:-12,-10,28,126,308,(598)
再做差汪滑:2,38,98,182,(290)
再做差:36,60,84,(梁早108)
除6:6,困渣腊10,14,(18),等差为4
4、5,67,37,515,101(1519)
67/5=13+2,515/37=14-3,(1519)/101=15+4
5、14,20,54,76,(126)
14=3的平方+5, 20= 5的平方-5, 54= 7的平方+5, 76= 9的平方-5,(126)= 11的平方+5
6、2,3,,2,4,(2),(5),2,7
(2,3)差为1,(2,4)差为2,(2,5)差为3,(2,7)差为5.
1+2=3,2+3=5

2,3,,2,4,(2),(5),2,7

回答(5):

第一题 : 6的余数啊 1,2,3,4,5,0,5,4,3,2,1 正好是对称的啊 所以填上5
-1*0、0*2、1*6、2*12、3*20、4*30、5*42 填210
第三题: 4的余数啊 , 2,2,0,0,2,2,0 所以填上440
第漏裤三题 设要填的为X, 后一项减去前一项得 -12 -10 28 126 308 X-438
再后一项减去前一项得 2 38 98 182 X-746
再后一项减去前一项得 36 60 84 X-928 =108 X=1036
第四题,4的余数,1 3 1 3 1 3,商1 16 9 128 25 X, X=432 所以填1731
第五题: 3的平方+5, 5的平方-5, 7的平方+5, 9的平方唤简-5, 11的平方+5
第六题: 将前面的四返链简项为一组,后面的四项为一组 则有 2,6啊

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