|
|
545 |
545
贪婪的送礼者Greedy Gift Givers
|
10 / 21 |
6 |
|
|
546 |
546
黑色星期五Friday the Thirteenth
|
8 / 10 |
9 |
|
|
547 |
547
坏掉的项链Broken Necklace
|
25 / 64 |
5 |
|
|
548 |
548
挤牛奶Milking Cows
|
4 / 5 |
10 |
|
|
549 |
549
方块转换 Transformations
|
3 / 3 |
10 |
|
|
550 |
550
命名那个数字 Name That Number
|
0 / 30 |
10 |
|
|
551 |
551
回文平方数 Palindromic Squares
|
8 / 14 |
8 |
|
|
552 |
552
双重回文数 Dual Palindromes
|
0 / 0 |
(无) |
|
|
553 |
553
混合牛奶 Mixing Milk
|
13 / 142 |
9 |
|
|
554 |
554
修理牛棚 Barn Repair
|
42 / 93 |
4 |
|
|
555 |
555
最长的回文 Calf Flac
|
1 / 2 |
10 |
|
|
556 |
556
牛式 Prime Cryptarithm
|
5 / 5 |
10 |
|
|
557 |
557
时钟 The Clocks
|
0 / 0 |
(无) |
|
|
558 |
558
铺放矩形块 Packing Rectangles
|
0 / 0 |
(无) |
|
|
559 |
559
等差数列 Arithmetic Progressions
|
2 / 6 |
10 |
|
|
560 |
560
母亲的牛奶 Mother's Milk
|
2 / 2 |
10 |
|
|
561 |
561
数字三角形 Number Triangles
|
190 / 543 |
5 |
|
|
562 |
562
回文质数 Prime Palindromes
|
10 / 27 |
6 |
|
|
563 |
563
特殊的质数肋骨 Superprime Rib
|
3 / 4 |
10 |
|
|
564 |
564
跳棋的挑战 Checker Challenge
|
7 / 26 |
7 |
|
|
565 |
565
城堡 The Castle
|
6 / 24 |
8 |
|
|
566 |
566
顺序的分数 Ordered Fractions
|
1 / 1 |
10 |
|
|
567 |
567
三值的排序 Sorting a Three-Valued Sequence
|
3 / 4 |
10 |
|
|
568 |
568
健康的荷斯坦奶牛 Healthy Holsteins
|
11 / 14 |
7 |
|
|
569 |
569
海明码 Hamming Codes
|
59 / 139 |
4 |
|
|
570 |
570
序言页码 Preface Numbering
|
1 / 1 |
10 |
|
|
571 |
571
集合 Subset Sums
|
3 / 3 |
10 |
|
|
572 |
572
循环数 Runaround Numbers
|
2 / 5 |
10 |
|
|
573 |
573
派对灯 Party Lamps
|
1 / 2 |
10 |
|
|
574 |
574
最长前缀 Longest Prefix
|
2 / 6 |
10 |
|
|
575 |
575
奶牛家谱 Cow Pedigrees
|
9 / 10 |
9 |
|
|
576 |
576
和为零 Zero Sum
|
4 / 4 |
10 |
|
|
577 |
577
货币系统 Money Systems
|
46 / 142 |
6 |
|
|
578 |
578
控制公司 Controlling Companies
|
1 / 2 |
10 |
|
|
579 |
579
两只塔姆沃斯牛 The Tamworth Two
|
1 / 2 |
10 |
|
|
580 |
580
穿越栅栏 Overfencing
|
1 / 3 |
10 |
|
|
581 |
581
回家 Bessie Come Home
|
1 / 1 |
10 |
|
|
582 |
582
牛的旅行 Cow Tours
|
2 / 2 |
10 |
|
|
583 |
583
分数化小数 Fractions to Decimals
|
1 / 1 |
10 |
|
|
584 |
584
最短网络Agri-Net
|
18 / 29 |
3 |
|
|
585 |
585
总分 Score Inflation
|
37 / 81 |
4 |
|
|
586 |
586
丑数 Humble Numbers
|
2 / 4 |
10 |
|
|
587 |
587
形成的区域 Shaping Regions
|
0 / 0 |
(无) |
|
|
588 |
588
联系 Contact
|
0 / 1 |
10 |
|
|
589 |
589
邮票 Stamps
|
15 / 55 |
7 |
|
|
590 |
590
阶乘 Factorials
|
1 / 11 |
10 |
|
|
591 |
591
串 Stringsobits01
|
0 / 0 |
(无) |
|
|
592 |
592
纺车的轮子 Spinning Wheels
|
2 / 2 |
10 |
|
|
593 |
593
饲料调配 Feed Ratios
|
0 / 0 |
(无) |
|
|
594 |
594
魔板 Magic Squares
|
1 / 1 |
10 |
|
|
595 |
595
香甜的黄油 Sweet Butter
|
4 / 25 |
8 |
|
|
596 |
596
骑马修栅栏 Riding the Fences
|
21 / 159 |
8 |
|
|
597 |
597
商店购物 Shopping Offers
|
0 / 0 |
(无) |
|
|
598 |
598
亚瑟王的宫殿 Camelot
|
0 / 0 |
(无) |
|
|
600 |
600
游戏 A Game
|
0 / 1 |
10 |
|
|
601 |
601
闭合的栅栏 Closed Fences
|
0 / 1 |
10 |
|
|
602 |
602
美国血统 American Heritage
|
11 / 15 |
6 |
|
|
603 |
603
电网 Electric Fences
|
0 / 0 |
(无) |
|
|
604 |
604
“破锣摇滚”乐队 Raucous Rockers
|
0 / 0 |
(无) |
|
|
605 |
605
麦香牛块 Beef McNuggets
|
2 / 2 |
10 |
|
|
606 |
606
栅栏的木料 Fence Rails
|
1 / 2 |
10 |
|
|
607 |
607
篱笆回路 Fence Loops
|
2 / 4 |
10 |
|
|
608 |
608
解密牛语 Cryptcowgraphy
|
0 / 0 |
(无) |
|
|
609 |
609
草地排水 Drainage Ditches
|
1 / 1 |
10 |
|
|
610 |
610
完美的牛栏 The Perfect Stall
|
0 / 3 |
10 |
|
|
611 |
611
工序安排 Job Processing
|
4 / 4 |
10 |
|
|
612 |
612
奶牛自行车 Cowcycles
|
0 / 0 |
(无) |
|
|
613 |
613
逢低吸纳 Buy Low, Buy Lower
|
32 / 93 |
6 |
|
|
614 |
614
素数方阵 The Primes
|
2 / 3 |
10 |
|
|
615 |
615
街道赛跑 Street Race
|
0 / 3 |
10 |
|
|
616 |
616
字母游戏 Letter Game
|
0 / 1 |
10 |
|
|
617 |
617
棋盘游戏 Shuttle Puzzle
|
0 / 0 |
(无) |
|
|
618 |
618
追查坏牛奶 Pollutant Control
|
0 / 0 |
(无) |
|
|
619 |
619
重叠的图像 Frame Up
|
0 / 1 |
10 |
|
|
620 |
620
圈奶牛 Fencing the Cows
|
1 / 2 |
10 |
|
|
621 |
621
夜空繁星 Starry Night
|
0 / 0 |
(无) |
|
|
622 |
622
乐曲主题 Musical Themes
|
1 / 1 |
10 |
|
|
623 |
623
蜗牛的旅行 Snail Trails
|
0 / 0 |
(无) |
|
|
624 |
624
电网 Electric Fences
|
0 / 0 |
(无) |
|
|
625 |
625
威斯康星州的牧场 Wisconsin Squares
|
0 / 1 |
10 |
|
|
626 |
626
量取牛奶 Milk Measuring
|
0 / 0 |
(无) |
|
|
627 |
627
窗体面积 Window Area
|
0 / 0 |
(无) |
|
|
628 |
628
校园网 Network of Schools
|
3 / 5 |
10 |
|
|
629 |
629
巨大的牛棚 Big Barn
|
2 / 6 |
10 |
|
|
630 |
630
拉丁正方形 All Latin Squares
|
0 / 0 |
(无) |
|
|
631 |
631
周游加拿大 Canada Tour
|
0 / 1 |
10 |
|
|
632 |
632
字符识别 Character Recognition
|
0 / 0 |
(无) |
|
|
633 |
633
漫游小镇 Betsy's Tour
|
0 / 0 |
(无) |
|
|
634 |
634
奶牛的电信 Telecowmunication
|
0 / 0 |
(无) |
|
|
635 |
635
图片 Picture
|
5 / 7 |
9 |
|
|
636 |
636
隐藏口令 Hidden Password
|
0 / 2 |
10 |
|
|
637 |
637
二五语言 Two Five
|
1 / 3 |
10 |
|
|
1342 |
1342
路障 Roadblocks
|
29 / 57 |
3 |
|
|
1820 |
1820
奶牛排队
|
5 / 12 |
9 |
|
|
2009 |
2009
A
|
0 / 0 |
(无) |
|
|
2010 |
2010
B
|
0 / 1 |
10 |
|
|
2011 |
2011
C
|
0 / 0 |
(无) |
|
|
2012 |
2012
D
|
1 / 3 |
10 |
|
|
2045 |
2045
Tile Exchanging
|
0 / 0 |
(无) |
|
|
2046 |
2046
Cow Beauty Pageant
|
0 / 0 |
(无) |