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: 280+600 Solution:
280+600 =
880 Column vertical calculation:
[2/3 Integer column vertical calculation]
Question type: Integer addition
Original question: 420+100 Solution:
420+100 =
520 Column vertical calculation:
[3/3 Integer column vertical calculation]
Question type: Integer addition
Original question: 260+600 Solution:
260+600 =
860 Column vertical calculation:
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