Overview: 7 questions will be solved this time.Among them
           ☆7 integer calculations

[1/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 36×30
    Solution:
    36×30 = 1080
    Column vertical calculation:

							3	6
✖							3	0
							0	0
					1	0	8
					1	0	8	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 25×40
    Solution:
    25×40 = 1000
    Column vertical calculation:

							2	5
✖							4	0
							0	0
					1	0	0
					1	0	0	0

[3/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 26×400
    Solution:
    26×400 = 10400
    Column vertical calculation:

								2	6
✖							4	0	0
								0	0
							0	0
					1	0	4
					1	0	4	0	0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 23×200
    Solution:
    23×200 = 4600
    Column vertical calculation:

								2	3
✖							2	0	0
								0	0
							0	0
						4	6
						4	6	0	0

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 36×300
    Solution:
    36×300 = 10800
    Column vertical calculation:

								3	6
✖							3	0	0
								0	0
							0	0
					1	0	8
					1	0	8	0	0

[6/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 25×400
    Solution:
    25×400 = 10000
    Column vertical calculation:

								2	5
✖							4	0	0
								0	0
							0	0
					1	0	0
					1	0	0	0	0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 85×5
    Solution:
    85×5 = 425
    Column vertical calculation:

						8	5
✖							5
					4	2	5
					4	2	5

---

>>注：本次最多计算 7 道题。

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