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

[1/7 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
[2/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 16800÷15
    Solution:
    16800÷15 = 1120
    Column vertical calculation:

				1	1	2	0
1	5	丿	1	6	8	0	0
			1	5
				1	8
				1	5
					3	0
					3	0
						0	0
							0
							0

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 422100÷21
    Solution:
    422100÷21 = 20100
    Column vertical calculation:

				2	0	1	0	0
2	1	丿	4	2	2	1	0	0
			4	2
				0	2	1
					2	1
						0	0	0
								0
								0

[4/7 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
[5/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 32040÷40
    Solution:
    32040÷40 = 801
    Column vertical calculation:

					8	0	1
4	0	丿	3	2	0	4	0
			3	2	0
					0	4	0
						4	0
							0

[6/7 Formula]
    Work: Calculate the value of equation 79×42+79+79×57 .
    Question type: Mathematical calculation
    Solution:
          79×42+79+79×57
        =3318+79+79×57
        =3318+79+4503
        =3397+4503
        =7900
    Answer:79×42+79+79×57=7900
[7/7 Formula]
    Work: Calculate the value of equation 21500÷25÷5 .
    Question type: Mathematical calculation
    Solution:
          21500÷25÷5
        =860÷5
        =172
    Answer:21500÷25÷5=172

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>>注：本次最多计算 7 道题。

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