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

Toán Lớp 4: 183 x 2 : 6 x 7 6450 – 4000 : ( 610 : 5 – 114 )

Toán Lớp 4: 183 x 2 : 6 x 7
6450 – 4000 : ( 610 : 5 – 114 )

Comments ( 2 )

  1. 183 x 2 : 6 x 7
    = 366 : 6 × 7
    = 61 × 7
    = 427
    —–
    6450 – 4000 : ( 610 : 5 – 114 )
    = 6450 – 4000 : (122-114)
    = 6450 – 4000 : 8
    = 6450 – 50
    =5950

  2. 183 xx 2 : 6 xx 7
    = 366 : 6 xx 7
    = 61 xx 7
    = 427
    6450 – 4000 : ( 610 : 5 – 114 )
    = 6450 – 4000 : ( 122 – 114 )
    = 6450 – 4000 : 8
    = 6450 – 500
    = 5950
    #dtkc

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

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