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

[1/4 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 22-13
    Solution:
    22-13 = 9
    Column vertical calculation:

			1
			2	2
➖			1	3
			0	9

[2/4 Formula]
    Work: Calculate the value of equation 4*√2-5-26 .
    Question type: Mathematical calculation
    Solution:
          4*√2-5-26
        =4*1.414214-5-26
        =5.656856-5-26
        =0.656856-26
        =-25.343144
    Answer:4*√2-5-26=-25.343144
[3/4 Formula]
    Work: Calculate the value of equation -32-1*√2+1 .
    Question type: Mathematical calculation
    Solution:
          -32-1*√2+1
        =-32-1*1.414214+1
        =-32-1.414214+1
        =-33.414214+1
        =-32.414214
    Answer:-32-1*√2+1=-32.414214
[4/4 Formula]
    Work: Calculate the value of equation 3-21-2 .
    Question type: Mathematical calculation
    Solution:
          3-21-2
        =-18-2
        =-20
    Answer:3-21-2=-20

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