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: 14×18
    Solution:
    14×18 = 252
    Column vertical calculation:

							1	4
✖							1	8
						1	1	2
						1	4
						2	5	2

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 24×31
    Solution:
    24×31 = 744
    Column vertical calculation:

							2	4
✖							3	1
							2	4
						7	2
						7	4	4

[3/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 42×44
    Solution:
    42×44 = 1848
    Column vertical calculation:

							4	2
✖							4	4
						1	6	8
					1	6	8
					1	8	4	8

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 13×42
    Solution:
    13×42 = 546
    Column vertical calculation:

							1	3
✖							4	2
							2	6
						5	2
						5	4	6

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 24×44
    Solution:
    24×44 = 1056
    Column vertical calculation:

							2	4
✖							4	4
							9	6
						9	6
					1	0	5	6

[6/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 14×46
    Solution:
    14×46 = 644
    Column vertical calculation:

							1	4
✖							4	6
							8	4
						5	6
						6	4	4

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 34×11
    Solution:
    34×11 = 374
    Column vertical calculation:

							3	4
✖							1	1
							3	4
						3	4
						3	7	4

---

>>注：本次最多计算 7 道题。

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