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

Toán Lớp 7: -1/10-1/100-1/1000-1/10000-1/100000

Toán Lớp 7: -1/10-1/100-1/1000-1/10000-1/100000

Comments ( 2 )

  1. -1/10 – 1/100 – 1/1000 – 1/10000 – 1/100000
    = -10000/100000 – 1000/100000 – 100/100000 – 10/100000 – 1/100000
    = (-10000 – 1000 – 100 – 10 – 1)/100000
    = -11111/100000

  2. 1/10 – 1/100 – 1/1000 – 1/10000 – 1/100000
    = -10/100 – 1/100 – 1/1000 – 1/10000 – 1/100000
    = -11/100 – 1/1000 – 1/10000 – 1/100000
    = -110/1000 – 1/1000 – 1/10000 – 1/100000
    = -111/1000 – 1/10000 – 1/100000
    = -1110/10000  – 1/10000 – 1/100000
    = -1111/10000 – 1/100000
    = -11110/100000 – 1/100000
    = -11111/100000
    Cho mình xin hay nhất nha bạn!!!!
    @Drew Mclntyre

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