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

Toán Lớp 6: Giúp mình với mn???????? 2002-{474-40×[3^4-(8^2+7) ]+14^2:7

Toán Lớp 6: Giúp mình với mn????????
2002-{474-40×[3^4-(8^2+7) ]+14^2:7

Comments ( 1 )

  1. 2002-{474-40xx[3^4-(8^2+7)]+14^2:7}
    =2002-{474-40xx[81-(64+7)]+196:7}
    =2002-{474-40xx[81-71]+28}
    =2002-{474-40xx10+28}
    =2002-{474-400+28}
    =2002-102
    =1900

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