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Well, here's how I would do it:

1. 56 x 10 = 560

2. 560 x 5 =2800

3. 56 x 6 = 336

4. 2800 + 336 = 3136 (answer to 56 x 56, or 562)

5. 3136 x 10 = 31,360

6. 31,360 x 5 = 156,800

7. 3136 x 6 = 18,816

8. 156,800 + 18,816 = 175,616 (answer to 56 x 56 x 56, or 562 x 56, or 563)

(Yes, I did this in my head all the way through, and the answer is correct)

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15y ago

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