Overview: 2 questions will be solved this time.Among them
☆1 integer calculations
☆1 calculations of prime factor
[1/2 Digtal analysis]
Work:Break 4 into prime factors.
Question type: Resolving prime factor
Solution:
4=2*2 *Note: 4 has 2 prime factors.[2/2 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 900*12 Solution:
900*12 =
10800 Column vertical calculation:
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