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

Toán Lớp 6: 1152-(374+1152)+(-65+374) giúp mik vs

Toán Lớp 6: 1152-(374+1152)+(-65+374)
giúp mik vs

Comments ( 2 )

  1. 1152 – ( 374 + 1152 ) + ( -65 + 374)
    = 1152 – 374 – 1152 – ( -65 ) + 374
    = (1152 – 1152) + ( 374 – 374) – (-65)
    = 0 + 0 + 65 = 65
     

  2. 1152-(374+1152)+(-65+374)
    =1152-374-1152-65+374
    =(1152-1152)+[(-374)+374]-65
    =0+0-65
    =-65

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

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