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

Toán Lớp 6: 703-140:(42+28)-17^6*17^9:17^13

Toán Lớp 6: 703-140:(42+28)-17^6*17^9:17^13

Comments ( 2 )

  1. 703 – 140 : ( 42 + 28 ) – $17^6$. $17^9$ : $17^{13}$
    = 703 – 140 : 70 – $17^{15}$ : $17^{13}$
    = 703 – 2 – $17^{2}$
    = 701 – 289
    = 412
     

  2. 703-140:(42+28)-17^6 . 17^9 : 17^13
    = 703-140:70-17^{6+9-13}
    = 703-2-17^2
    = 701-17^2
    = 701-289
    = 412

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

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