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

Toán Lớp 7: 8^x. 2^x= 216 làm giúp mình nhé minhfcaanf gấp

Toán Lớp 7: 8^x. 2^x= 216
làm giúp mình nhé minhfcaanf gấp

Comments ( 1 )

  1. 8^{x} . 2^{x} = 216
    => 2^{x.3 + x} = 216 ( vô lí)
    => x ∈ ∅
     

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

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