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

[1/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 99×64
    Solution:
    99×64 = 6336
    Column vertical calculation:

							9	9
✖							6	4
						3	9	6
					5	9	4
					6	3	3	6

[2/7 Formula]
    Work: Calculate the value of equation 32×16+14×32 .
    Question type: Mathematical calculation
    Solution:
          32×16+14×32
        =512+14×32
        =512+448
        =960
    Answer:32×16+14×32=960
[3/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 99×16
    Solution:
    99×16 = 1584
    Column vertical calculation:

							9	9
✖							1	6
						5	9	4
						9	9
					1	5	8	4

[4/7 Formula]
    Work: Calculate the value of equation 78×4+78×3+78×3 .
    Question type: Mathematical calculation
    Solution:
          78×4+78×3+78×3
        =312+78×3+78×3
        =312+234+78×3
        =312+234+234
        =546+234
        =780
    Answer:78×4+78×3+78×3=780
[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 638×99
    Solution:
    638×99 = 63162
    Column vertical calculation:

							6	3	8
✖								9	9
						5	7	4	2
					5	7	4	2
					6	3	1	6	2

[6/7 Formula]
    Work: Calculate the value of equation 125×32×8 .
    Question type: Mathematical calculation
    Solution:
          125×32×8
        =4000×8
        =32000
    Answer:125×32×8=32000
[7/7 Formula]
    Work: Calculate the value of equation 25×32×125 .
    Question type: Mathematical calculation
    Solution:
          25×32×125
        =800×125
        =100000
    Answer:25×32×125=100000

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>>注：本次最多计算 7 道题。

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