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

[1/7 Formula]
    Work: Calculate the value of equation 2365-1086-214 .
    Question type: Mathematical calculation
    Solution:
          2365-1086-214
        =1279-214
        =1065
    Answer:2365-1086-214=1065
[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 75×24
    Solution:
    75×24 = 1800
    Column vertical calculation:

							7	5
✖							2	4
						3	0	0
					1	5	0
					1	8	0	0

[3/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 497-299
    Solution:
    497-299 = 198
    Column vertical calculation:

			1	1
			4	9	7
➖			2	9	9
			1	9	8

[4/7 Formula]
    Work: Calculate the value of equation 138×25×4 .
    Question type: Mathematical calculation
    Solution:
          138×25×4
        =3450×4
        =13800
    Answer:138×25×4=13800
[5/7 Formula]
    Work: Calculate the value of equation (13×125)×(3×8) .
    Question type: Mathematical calculation
    Solution:
          (13×125)×(3×8)
        =1625×(3×8)
        =1625×24
        =39000
    Answer:(13×125)×(3×8)=39000
[6/7 Formula]
    Work: Calculate the value of equation (12+24+80)×50 .
    Question type: Mathematical calculation
    Solution:
          (12+24+80)×50
        =116×50
        =5800
    Answer:(12+24+80)×50=5800
[7/7 Formula]
    Work: Calculate the value of equation 25×64×125 .
    Question type: Mathematical calculation
    Solution:
          25×64×125
        =1600×125
        =200000
    Answer:25×64×125=200000

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>>注：本次最多计算 7 道题。

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