Math 2720

Spring 2021

Problems from Barr

Mobius Strip
Section Page Problems Date
1.1 8 1, 4a,d, 5, 8, 11, 12, 15, 17, 19, 21, 23, 24, 27, 31
1.2 15 1, 4, 8, 12, 13, 14a, 15b, 18, 20, 22
1.3 24 2, 4, 8, 9, 10, 11, 14, 15, 16b,d, 17a,e, 18a
1.4 32 1a,d, 2,b,c, 3, 4, 5a,d, 6a,e, 7c,g, 8a,b,c, 9a, 10b,d, 11, 14
1.5 44 1, 3, 5, 8, 10a, 13, 14, 16, 18, 21, 25, 27, 28
1.6 56 1, 2a,d, 3, 4ac, 5, 7, 10, 13, 15, 20, 24, 28
1.7 65 1, 3, 7, 10, 16a,d,e,h, 18, 21, 24, 31, 33, 35, 37
1.8 75 1, 2, 4, 6, 8, 11, 14, 15, 19, 23, 24, 29
1.9 84 2, 3, 6, 9, 10, 11, 12, 15, 22, 26, 30, 32, 37
1.10 97 2, 3, 7, 10, 13, 15, 17, 26, 29, 32, 33, 37, 39
2.1 109 1, 2a,c, 3b,e, 4a, 12, 15, 16, 17, 23, 26
2.2 122 2, 4, 5, 7, 9, 10, 12a,d, 13b,c, 14, 15a, 19, 28, 30, 35, 37a, 40
2.3 131 1, 4, 6, 7, 10, 13, 14c, 16a,d, 17b,d, 19, 227
2.4 141 2, 3, 6, 10, 12, 13, 15, 20
2.5 148 3, 4, 7, 10, 12, 15, 17, 20, 2
3.1 159 1, 3, 6, 9, 12, 13, 15, 18, 19, 20, 22, 23, 26, 29
3.2 169 1, 2, 5, 8, 9, 11, 14, 17, 19, 22, 24, 27, 29, 32, 34
3.3 176 1, 3, 4, 6, 9, 10, 12, 15, 16, 19, 21
3.4 197 2, 5, 8, 10, 13, 16, 19, 22, 25, 27, 31, 32, 33, 43, 46
3.5 197 2, 4, 7, 10, 12, 16, 17, 20, 21, 25, 27, 40, 42, 44
3.6 208 1, 3, 6, 9, 10, 13, 17, 19, 24, 27, 31, 35, 38, 43, 46, 47
4.1 221 2, 4, 7, 11, 14, 19, 22, 24, 26, 31, 34, 37, 40, 43, 46, 52
4.2 229 1, 4, 6, 12, 27a,c,e, 28
4.3 238 1, 2, 4, 6, 8, 10, 13, 17, 20, 23
4.4 249 4, 8, 13, 14, 15, 19, 24, 26, 28, 33, 37, 39, 43, 45, 48
4.5 256 3, 6, 10, 13, 14, 16, 19, 23, 25
5.1 279 1, 2, 4, 7, 9, 11, 12, 14, 19, 21, 23
5.2 291 1d, 3, 4, 8, 10, 13, 16, 19, 20, 26, 27, 30
5.3 308 2, 3, 6, 8, 11, 12, 13, 16, 19, 21, 28, 32, 39, 42, 44, 49, 52
5.4 323 2, 4, 7, 10, 11, 14, 17, 20, 24, 26, 27, 30
5.5 336 1, 3, 7, 10, 11, 14, 16, 17, 20, 23, 25, 30, 32, 35, 39
5.6 352 1, 4, 8, 12, 15, 18, 21, 25
5.7 364 2, 5, 8, 14, 17, 18, 20, 24, 25
5.8 374 1, 4, 5, 7, 10, 12, 14, 15, 19, 21

Jay Treiman: jay.treiman at wmich.edu