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: 42×3
    Solution:
    42×3 = 126
    Column vertical calculation:

						4	2
✖							3
					1	2	6
					1	2	6

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 41×5
    Solution:
    41×5 = 205
    Column vertical calculation:

						4	1
✖							5
					2	0	5
					2	0	5

[3/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 5×90
    Solution:
    5×90 = 450
    Column vertical calculation:

							5
✖						9	0
							0
					4	5
					4	5	0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 41×8
    Solution:
    41×8 = 328
    Column vertical calculation:

						4	1
✖							8
					3	2	8
					3	2	8

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 70×5
    Solution:
    70×5 = 350
    Column vertical calculation:

						7	0
✖							5
					3	5	0
					3	5	0

[6/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 41×6
    Solution:
    41×6 = 246
    Column vertical calculation:

						4	1
✖							6
					2	4	6
					2	4	6

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 40×6
    Solution:
    40×6 = 240
    Column vertical calculation:

						4	0
✖							6
					2	4	0
					2	4	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！