Overview: 4 questions will be solved this time.Among them
☆3 integer calculations
☆1 calculations of prime factor
[1/4 Digtal analysis]
Work:Break 1111 into prime factors.
Question type: Resolving prime factor
Solution:
1111=11*101 *Note: 1111 has 2 prime factors.[2/4 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 1-111 Solution:
1-111 = - (111 - 1) = -
110 Column vertical calculation:
[3/4 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 11-11 Solution:
11-11 =
0 Column vertical calculation:
[4/4 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 111-1 Solution:
111-1 =
110 Column vertical calculation:
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