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: 270+600 Solution:
270+600 =
870 Column vertical calculation:
[2/3 Integer column vertical calculation]
Question type: Integer addition
Original question: 410+100 Solution:
410+100 =
510 Column vertical calculation:
[3/3 Integer column vertical calculation]
Question type: Integer addition
Original question: 250+600 Solution:
250+600 =
850 Column vertical calculation:
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