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

Toán Lớp 6: [545 – ( 45 + 4 . 25) ] :50 – 2000 : 250 + 2 mũ 15 : 2 mũ 13

Toán Lớp 6: [545 – ( 45 + 4 . 25) ] :50 – 2000 : 250 + 2 mũ 15 : 2 mũ 13

Comments ( 2 )

  1. Lời giải chi tiết:
    [545-(45+4.25)]:50-2000:250+2^15:2^13
    =[545-(45+100)]:50-8+2^2
    =(545-45-100):50-8+4
    =(500-100):50-(8-4)
    =400:50-4
    =8-4
    =4

  2. [545-(45+4.25)]:50-2000:250+2^15 :2^13
    =[545-(45+100)]:50-8+2^{15-13}
    =(545-145):50-8+2^2
    =400:50-8+4
    =8-8+4
    =4

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