Tính hợp lí : 4567 + ( 1234 – 4567 ) – 4

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Tính hợp lí :
4567 + ( 1234 – 4567 ) – 4

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Rose 3 tuần 2021-07-12T10:46:41+00:00 2 Answers 0 views 0

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    0
    2021-07-12T10:47:49+00:00

    4567 + ( 1234 – 4567 ) – 4

     =4567 +  1234 – 4567 – 4

     =(4567-4567) +(1234-4)

     =     0              + 1230

     =1230

    0
    2021-07-12T10:48:27+00:00

    4567 + ( 1234 – 4567 ) – 4 = 4567 +1234 -4567 -4 

                                               = (4567 -4567) + (1234 -4)

                                               = 0 + 1230 = 1230 

     

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