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: 240+100 Solution:
240+100 =
340 Column vertical calculation:
[2/3 Integer column vertical calculation]
Question type: Integer addition
Original question: 280+340 Solution:
280+340 =
620 Column vertical calculation:
[3/3 Integer column vertical calculation]
Question type: Integer addition
Original question: 470+600 Solution:
470+600 =
1070 Column vertical calculation:
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