Question

If
85 * 64 = 32
39 * 52 = 65
47 * 21 = 00
17 * 93 = 13
Then:
13 * 19 = ?!​

Answer 1

Answer: 247

Use long multiplication to evaluate.

After that divide your answer by either 13 or 19 and see if you get one of those answers.

247÷19=13

247÷13=19