Overview: 7 questions will be solved this time.Among them
☆7 integer calculations
[1/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 91-87 Solution:
91-87 =
4 Column vertical calculation:
[2/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 100-73 Solution:
100-73 =
27 Column vertical calculation:
[3/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 84-49 Solution:
84-49 =
35 Column vertical calculation:
[4/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 90-45 Solution:
90-45 =
45 Column vertical calculation:
[5/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 68+25 Solution:
68+25 =
93 Column vertical calculation:
[6/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 69+4 Solution:
69+4 =
73 Column vertical calculation:
[7/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 92-17 Solution:
92-17 =
75 Column vertical calculation:
>>注:本次最多计算 7 道题。
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