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

Toán Lớp 6: 45 – [|-64| – (2^3 . 8 – 3^2 . 5 )] : 3 làm giùm ik ạ

Toán Lớp 6: 45 – [|-64| – (2^3 . 8 – 3^2 . 5 )] : 3
làm giùm ik ạ

Comments ( 2 )

  1.     45 – [ | -64 | – ( 2³ . 8 – 3² . 5 ) ] : 3
    = 45 – [ 64 – ( 8 . 8 – 9 . 5 ) ] : 3
    = 45 – [ 64 – 8 . 8 + 9 . 5 ] : 3
    = 45 – [ 64 – 64 + 45 ] : 3
    = 45 – 45 : 3
    = 45 – 15
    = 30

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

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