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

[1/4 Formula]
    Work: Calculate the value of equation 178+311+510 .
    Question type: Mathematical calculation
    Solution:
          178+311+510
        =489+510
        =999
    Answer:178+311+510=999
[2/4 Formula]
    Work: Calculate the value of equation 743*(1+0.3+0.27+0.27+0.27+0.27) .
    Question type: Mathematical calculation
    Solution:
          743*(1+0.3+0.27+0.27+0.27+0.27)
        =743*2.38
        =1768.34
    Answer:743*(1+0.3+0.27+0.27+0.27+0.27)=1768.34
[3/4 Formula]
    Work: Calculate the value of equation 50+62.2+21+21+21+21 .
    Question type: Mathematical calculation
    Solution:
          50+62.2+21+21+21+21
        =112.2+21+21+21+21
        =133.2+21+21+21
        =154.2+21+21
        =175.2+21
        =196.2
    Answer:50+62.2+21+21+21+21=196.2
[4/4 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 10+10
    Solution:
    10+10 = 20
    Column vertical calculation:

			1	0
➕			1	0
			2	0

Your problem has not been solved here? Please go to the Hot Problems section！