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

[1/7 Formula]
    Work: Calculate the value of equation 32×(25+125) .
    Question type: Mathematical calculation
    Solution:
          32×(25+125)
        =32×150
        =4800
    Answer:32×(25+125)=4800
[2/7 Formula]
    Work: Calculate the value of equation 75×96+4×75 .
    Question type: Mathematical calculation
    Solution:
          75×96+4×75
        =7200+4×75
        =7200+300
        =7500
    Answer:75×96+4×75=7500
[3/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 88×125
    Solution:
    88×125 = 11000
    Column vertical calculation:

								8	8
✖							1	2	5
							4	4	0
						1	7	6
						8	8
					1	1	0	0	0

[4/7 Formula]
    Work: Calculate the value of equation 83×102-83×2 .
    Question type: Mathematical calculation
    Solution:
          83×102-83×2
        =8466-83×2
        =8466-166
        =8300
    Answer:83×102-83×2=8300
[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 102×76
    Solution:
    102×76 = 7752
    Column vertical calculation:

							1	0	2
✖								7	6
							6	1	2
						7	1	4
						7	7	5	2

[6/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 98×199
    Solution:
    98×199 = 19502
    Column vertical calculation:

								9	8
✖							1	9	9
							8	8	2
						8	8	2
						9	8
					1	9	5	0	2

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 58×98
    Solution:
    58×98 = 5684
    Column vertical calculation:

							5	8
✖							9	8
						4	6	4
					5	2	2
					5	6	8	4

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>>注：本次最多计算 7 道题。

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