Overview: 2 questions will be solved this time.Among them
☆1 integer calculations
☆1 calculations of prime factor
[1/2 Digtal analysis]
Work:Break 2 into prime factors.
Question type: Resolving prime factor
Solution:
2=2 *Note: 2 is a prime number.[2/2 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 4*5 Solution:
4*5 =
20 Column vertical calculation:
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