Overview: 7 questions will be solved this time.Among them
☆7 integer calculations
[1/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 690+100 Solution:
690+100 =
790 Column vertical calculation:
[2/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 570-180 Solution:
570-180 =
390 Column vertical calculation:
[3/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 550+400 Solution:
550+400 =
950 Column vertical calculation:
[4/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 290+500 Solution:
290+500 =
790 Column vertical calculation:
[5/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 330+260 Solution:
330+260 =
590 Column vertical calculation:
[6/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 460-230 Solution:
460-230 =
230 Column vertical calculation:
[7/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 590+120 Solution:
590+120 =
710 Column vertical calculation:
>>注:本次最多计算 7 道题。
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