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 18+426-18+426 .
    Question type: Mathematical calculation
    Solution:
          18+426-18+426
        =444-18+426
        =426+426
        =852
    Answer:18+426-18+426=852
[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 502×99
    Solution:
    502×99 = 49698
    Column vertical calculation:

							5	0	2
✖								9	9
						4	5	1	8
					4	5	1	8
					4	9	6	9	8

[3/7 Formula]
    Work: Calculate the value of equation 58×13÷58×13 .
    Question type: Mathematical calculation
    Solution:
          58×13÷58×13
        =754÷58×13
        =13×13
        =169
    Answer:58×13÷58×13=169
[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 47×99
    Solution:
    47×99 = 4653
    Column vertical calculation:

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

[5/7 Formula]
    Work: Calculate the value of equation 73×25+27×25 .
    Question type: Mathematical calculation
    Solution:
          73×25+27×25
        =1825+27×25
        =1825+675
        =2500
    Answer:73×25+27×25=2500
[6/7 Formula]
    Work: Calculate the value of equation 375×15-375×5 .
    Question type: Mathematical calculation
    Solution:
          375×15-375×5
        =5625-375×5
        =5625-1875
        =3750
    Answer:375×15-375×5=3750
[7/7 Formula]
    Work: Calculate the value of equation 600÷25÷4 .
    Question type: Mathematical calculation
    Solution:
          600÷25÷4
        =24÷4
        =6
    Answer:600÷25÷4=6

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>>注：本次最多计算 7 道题。

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