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: 760-200
    Solution:
    760-200 = 560
    Column vertical calculation:

			7	6	0
➖			2	0	0
			5	6	0

[2/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 730-80
    Solution:
    730-80 = 650
    Column vertical calculation:

			1
			7	3	0
➖				8	0
			6	5	0

[3/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 500-200
    Solution:
    500-200 = 300
    Column vertical calculation:

			5	0	0
➖			2	0	0
			3	0	0

[4/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 560+50
    Solution:
    560+50 = 610
    Column vertical calculation:

			5	6	0
➕			1	5	0
			6	1	0

[5/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 440-180
    Solution:
    440-180 = 260
    Column vertical calculation:

			1
			4	4	0
➖			1	8	0
			2	6	0

[6/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 720+300
    Solution:
    720+300 = 1020
    Column vertical calculation:

			7	2	0
➕		1	3	0	0
		1	0	2	0

[7/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 760+300
    Solution:
    760+300 = 1060
    Column vertical calculation:

			7	6	0
➕		1	3	0	0
		1	0	6	0

---

>>注：本次最多计算 7 道题。

Your problem has not been solved here? Please go to the Hot Problems section！