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: 257×7
    Solution:
    257×7 = 1799
    Column vertical calculation:

						2	5	7
✖								7
					1	7	9	9
					1	7	9	9

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 599×5
    Solution:
    599×5 = 2995
    Column vertical calculation:

						5	9	9
✖								5
					2	9	9	5
					2	9	9	5

[3/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 153×6
    Solution:
    153×6 = 918
    Column vertical calculation:

						1	5	3
✖								6
						9	1	8
						9	1	8

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 266×4
    Solution:
    266×4 = 1064
    Column vertical calculation:

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

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 927×4
    Solution:
    927×4 = 3708
    Column vertical calculation:

						9	2	7
✖								4
					3	7	0	8
					3	7	0	8

[6/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 284×3
    Solution:
    284×3 = 852
    Column vertical calculation:

						2	8	4
✖								3
						8	5	2
						8	5	2

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 982×6
    Solution:
    982×6 = 5892
    Column vertical calculation:

						9	8	2
✖								6
					5	8	9	2
					5	8	9	2

---

>>注：本次最多计算 7 道题。

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