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

Toán Lớp 6: 5 ^ 20 ÷ ( 5 ^ 15 . 15 + 5 ^ 15 .10)

Toán Lớp 6: 5 ^ 20 ÷ ( 5 ^ 15 . 15 + 5 ^ 15 .10)

Comments ( 1 )

  1. 5^20 : (5^15 . 15 + 5^15 . 10)
    = 5^20 : [5^15 . (15 + 10)]
    = 5^20 : [5^15 . 25]
    = 5^20 : [5^15 . 5^2]
    = 5^20 : 5^17
    = 5^3
    = 125

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