181.501a

(7:47)

181.501e

(5:20)

181.501b

(1:2)

181.501c

(4:)

181.501d

(2:27)

181.504a

(5:42)

181.503a

(4:36)

181.208a

(3:29)

181.502a

(8:32)

181.309a

(4:36)

181.408e

(2:28)

181.205.01

(1:28)

181.408a

(2:30)

181.408f

(2:12)

181.408g

(4:57)

calculus060101

(1:47)

181.207.01

(1:18)

181.408d

(1:27)

181.204.01

(2:24)

calculus060201

(5:58)