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

Toán Lớp 6: Tìm x A ( x-68)+136=92 B(124+x)-81=-82

Toán Lớp 6: Tìm x
A ( x-68)+136=92
B(124+x)-81=-82

Comments ( 2 )

  1. Answer
    a, (x – 68) + 136 = 92
    => (x – 68) = 92 – 136
    => x – 68 = -44
    => x = -44 + 68
    => x = 24
    Vậy x = 24
    __________________________
    b, (124 + x) – 81 = -82
    => (124 + x) = -82 + 81
    => 124 + x = -1
    => x = -1 – 124
    => x = -125
    Vậy x = -125

  2. @Bao
    (x-68)+136=92
    ->(x-68)=92-136
    ->x-68=-44
    ->x=-44+68
    ->x=24
    (124+x)-81=-82
    ->124+x=-82+81=-1
    ->x=-1-124
    ->x=-125

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

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