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

Toán Lớp 3: Bài 1: Tìm x a) x – 452 = 77 + 48 b) x + 58 = 64 + 58 c) x – 1 – 2 – 3 – 4 = 0

Toán Lớp 3: Bài 1: Tìm x
a) x – 452 = 77 + 48
b) x + 58 = 64 + 58
c) x – 1 – 2 – 3 – 4 = 0

Comments ( 2 )

  1. $@Yuu$
    $Xin$ $ctrlhn$ $ạ$
    $a)x-452=77+48$
    $x-452=125$
    $x=125+452$
    $x=577$
    $b)x+58=64+58$
    $x+58=122$
    $x=122-58$
    $x=64$
    $c)x-1-2-3-4=0$
    $x-(1+2+3+4)=0$
    $x-10=0$
    $x=0+10$
    $x=10$
     

  2. Giải đáp:
     
    Lời giải và giải thích chi tiết:
     a)x-452=77+48
    =>x-452=125
    =>x=125+452
    =>x=577
    b)x + 58 = 64 + 58
    =>x  = 64+58-58
    =>x=64
    c) x – 1 – 2 – 3 – 4 = 0
    =>x-(1+2+3+4)=0
    =>x-10=0
    =>x=0+10
    =>x=10
    Xin ctlhn

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

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