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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: tính hợp lý nhất: 35(14-23)-23(14-35)

Toán Lớp 6: tính hợp lý nhất:
35(14-23)-23(14-35)

Comments ( 2 )

  1. 35(14-23)-23(14-35)
    =35.14-35.23-23.14-23.35
    =(35.14-23.14) – (35.23-23.35)
    =14.(35-23)-0
    =14.12-0
    =14.12=168
     

  2. ~ Bạn tham khảo ~
    35(14-23) – 23(14-35)
    =35.14-35.23 – 23.14 – 23.35
    =  14 . ( 35-23)- 35 . ( 23-23)
    = 14 . 12 –  35 . 0
    = 168 – 0
    =168
    $#Vịt vàng$

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222-9+11+12:2*14+14 = ? ( )