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

[1/7 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

[2/7 Formula]
    Work: Calculate the value of equation 123×18-123×3+85×123 .
    Question type: Mathematical calculation
    Solution:
          123×18-123×3+85×123
        =2214-123×3+85×123
        =2214-369+85×123
        =2214-369+10455
        =1845+10455
        =12300
    Answer:123×18-123×3+85×123=12300
[3/7 Formula]
    Work: Calculate the value of equation 50×(34×4)×3 .
    Question type: Mathematical calculation
    Solution:
          50×(34×4)×3
        =50×136×3
        =6800×3
        =20400
    Answer:50×(34×4)×3=20400
[4/7 Formula]
    Work: Calculate the value of equation (168+1200)÷12 .
    Question type: Mathematical calculation
    Solution:
          (168+1200)÷12
        =1368÷12
        =114
    Answer:(168+1200)÷12=114
[5/7 Formula]
    Work: Calculate the value of equation 25×(24+16) .
    Question type: Mathematical calculation
    Solution:
          25×(24+16)
        =25×40
        =1000
    Answer:25×(24+16)=1000
[6/7 Formula]
    Work: Calculate the value of equation (126+2100)÷21 .
    Question type: Mathematical calculation
    Solution:
          (126+2100)÷21
        =2226÷21
        =106
    Answer:(126+2100)÷21=106
[7/7 Formula]
    Work: Calculate the value of equation 178×99+178 .
    Question type: Mathematical calculation
    Solution:
          178×99+178
        =17622+178
        =17800
    Answer:178×99+178=17800

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>>注：本次最多计算 7 道题。

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