Overview: 2 questions will be solved this time.Among them
☆2 integer calculations
[1/2 Integer column vertical calculation]
Question type: Integer addition
Original question: 1+3 Solution:
1+3 =
4 Column vertical calculation:
[2/2 Integer column vertical calculation]
Question type: Integer addition
Original question: 4+5 Solution:
4+5 =
9 Column vertical calculation:
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