6813 | 1.4.1 Packing Rectangles 铺放矩形块 | 未定级 | | | | | | | |
6814 | 1.4.2 The Clocks 时钟 | 未定级 | | | | | | | |
6815 | 1.4.3 Arithmetic Progressions 等差数列 | 未定级 | | | | | | | |
6816 | 1.4.4 Mother's Milk 母亲的牛奶 | 未定级 | | | | | | | |
6817 | 1.5.1 Number Triangles 数字金字塔 | 未定级 | | | | | | | |
6818 | 1.5.3 Superprime Rib 特殊的质数肋骨 | 未定级 | | | | | | | |
6819 | 1.5.4 Checker Challenge 跳棋的挑战 | 未定级 | | | | | | | |
6820 | 2.1.1 The Castle 城堡 | 未定级 | | | | | | | |
6821 | 2.1.2 Ordered Fractions 顺序的分数 | 未定级 | | | | | | | |
6822 | 2.1.3 Sorting a Three-Valued Sequence 三值的排序 | 未定级 | | | | | | | |
6823 | 2.1.4 Healthy Holsteins 健康的好斯坦奶牛 | 未定级 | | | | | | | |
6824 | 2.1.5 Hamming Codes 海明码 | 未定级 | | | | | | | |
6825 | 2.2.1 Preface Numbering 序言页码 | 未定级 | | | | | | | |
6826 | 2.2.2 Subset Sums 集合 | 未定级 | | | | | | | |
6827 | 2.2.3 Runaround Numbers 循环数 | 未定级 | | | | | | | |
6828 | 2.3.3 Zero Sum 和为零 | 未定级 | | | | | | | |
6830 | 2.2.4 Party Lamps 派对灯 | 未定级 | | | | | | | |
6831 | 2.3.5 Controlling Companies 控制公司 | 未定级 | | | | | | | |
6832 | 2.3.1 Longest Prefix 最长前缀 | 未定级 | | | | | | | |
6833 | 2.3.2 Cow Pedigrees 奶牛家谱 | 未定级 | | | | | | | |
6834 | 2.4.1 The Tamworth Two 两只塔姆沃斯牛 | 未定级 | | | | | | | |
6835 | 2.4.2 Overfencing 穿越栅栏 | 未定级 | | | | | | | |
6836 | 2.4.3Cow Tours 牛的旅行 | 未定级 | | | | | | | |
6837 | 2.4.4Bessie Come Home 回家 | 未定级 | | | | | | | |
6838 | 2.4.5Fractions to Decimals 分数化小数 | 未定级 | | | | | | | |
6839 | 3.1.1Agri-Net 最短网络 | 未定级 | | | | | | | |
6840 | 3.1.2 Score Inflation 总分 | 未定级 | | | | | | | |
6841 | 3.1.3 Humble Numbers 丑数 | 未定级 | | | | | | | |
6842 | 3.1.4 Shaping Regions 形成的区域 | 未定级 | | | | | | | |
6843 | 3.1.5 Contact 联系 | 未定级 | | | | | | | |
6844 | 3.1.6 Stamps 邮票 | 未定级 | | | | | | | |
6845 | 3.2.1 Factorials 阶乘 | 未定级 | | | | | | | |
6846 | 3.2.2 Stringsobits01 串 | 未定级 | | | | | | | |
6847 | 3.2.3 Spinning Wheels 纺车的轮子 | 未定级 | | | | | | | |
6848 | 3.2.4 Feed Ratios 饲料调配 | 未定级 | | | | | | | |
6849 | 3.2.5 Magic Squares 魔 板 | 未定级 | | | | | | | |
6850 | 3.2.6 Sweet Butter 香甜的黄油 | 未定级 | | | | | | | |
6852 | 3.3.2 Shopping Offers 商店购物 | 5级 | | | 线性 | | | | |
6853 | 3.3.3 Camelot 亚瑟王的宫殿 | 未定级 | | | | | | | |
6854 | 3.3.4 Home on the Range 家的范围 | 未定级 | | | | | | | |
6855 | 3.3.5 A Game 游戏 | 未定级 | | | | | | | |
6856 | 3.4.1 Closed Fences 闭合的栅栏 | 未定级 | | | | | | | |
6857 | 3.4.2 American Heritage 美国血统 | 未定级 | | | | | | | |
6858 | 3.4.3 Electric Fences 电 网 | 未定级 | | | | | | | |
6859 | 3.4.4 Raucous Rockers“破锣摇滚”乐队 | 未定级 | | | | | | | |
6860 | 4.1.1 Beef McNuggets 麦香牛块 | 未定级 | | | | | | | |
6861 | 4.1.2 Fence Rails 栅栏的木料 | 未定级 | | | | | | | |
6862 | 4.1.3 Fence Loops 篱笆回路 | 未定级 | | | | | | | |
6863 | 4.1.4Cryptcowgraphy 解密牛语 | 未定级 | | | | | | | |
6864 | 4.2.1 Drainage Ditches 草地排水 | 未定级 | | | | | | | |