Overview: 3 questions will be solved this time.Among them
☆3 integer calculations
[1/3 Integer column vertical calculation]
Question type: Integer addition
Original question: 180+180 Solution:
180+180 =
360 Column vertical calculation:
[2/3 Integer column vertical calculation]
Question type: Integer addition
Original question: 460+420 Solution:
460+420 =
880 Column vertical calculation:
[3/3 Integer column vertical calculation]
Question type: Integer addition
Original question: 200+520 Solution:
200+520 =
720 Column vertical calculation:
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