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: 30×4
    Solution:
    30×4 = 120
    Column vertical calculation:

						3	0
✖							4
					1	2	0
					1	2	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 32×5
    Solution:
    32×5 = 160
    Column vertical calculation:

						3	2
✖							5
					1	6	0
					1	6	0

[3/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 30×7
    Solution:
    30×7 = 210
    Column vertical calculation:

						3	0
✖							7
					2	1	0
					2	1	0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 13×8
    Solution:
    13×8 = 104
    Column vertical calculation:

						1	3
✖							8
					1	0	4
					1	0	4

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 8×70
    Solution:
    8×70 = 560
    Column vertical calculation:

							8
✖						7	0
							0
					5	6
					5	6	0

[6/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 30×6
    Solution:
    30×6 = 180
    Column vertical calculation:

						3	0
✖							6
					1	8	0
					1	8	0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 8×90
    Solution:
    8×90 = 720
    Column vertical calculation:

							8
✖						9	0
							0
					7	2
					7	2	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！