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

Toán Lớp 7: A= 3/5 .7 mũ 2 – 3 . 5 mũ 6 + 3/5 . 3 mũ 9

Toán Lớp 7: A= 3/5 .7 mũ 2 – 3 . 5 mũ 6 + 3/5 . 3 mũ 9

Comments ( 1 )

  1. #Sad
    A= 3/5. 7^2-3. 5^6+3/5. 3^9
    = 3/5. 49-3. 15625+3/5. 27
    = (147)/5-46875+(59049)/5
    = -(234228)/5+(59049)/5
    = -(175179)/5

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

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