00:10 – Challenging Word Problems #1
02:33 – Challenging Word Problems #2
04:06 – Challenging Word Problems #3
05:45 – Challenging Word Problems #4
07:18 – Challenging Word Problems #5
09:19 – Challenging Word Problems #6
11:49 – Challenging Word Problems #7
14:37 – Challenging Word Problems #8
17:55 – Challenging Word Problems #9
20:26 – Challenging Word Problems #10

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