In our final lecture, you will learn how to do enormous calculations, such as multiplying two 5-digit numbers, and discuss the techniques used by other world- record lightning calculators.
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Parent (intermediate) annotation
Open itventure into the world of advanced multiplication; here, we’ll see how to square 3- and 4-digit numbers, find approximate cubes of 2-digit numbers, and multiply 2- and 3-digit numbers together. <span>In our final lecture, you will learn how to do enormous calculations, such as multiplying two 5-digit numbers, and discuss the techniques used by other world- record lightning calculators. <span>Original toplevel document (pdf)
owner:
feasthat - (no access) - Secrets of Mental Math (guidebook).pdf, p8
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