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

Toán Lớp 5: (51,048 x 4,9 + 51,048 x 4,7) x ( 0,9 x 9 + 0,9 – 0,9 x 10)

Toán Lớp 5: (51,048 x 4,9 + 51,048 x 4,7) x ( 0,9 x 9 + 0,9 – 0,9 x 10)

Comments ( 2 )

  1. $\text{@ Jasmine}$
    (51,048xx4,9+51,048xx4,7)xx(0,9xx9+0,9-0,9xx10)
    = (51,048xx4,9+51,048xx4,7) xx 0,9 xx ( 9 + 1 – 10 )
    = (51,048xx4,9+51,048xx4,7) xx 0,9 xx 0
    = (51,048xx4,9+51,048xx4,7) xx 0
    = 0
     

  2. $\textit{( 51,048 . 4,9 + 51,048 . 4,7 ) . ( 0,9 . 9 + 0,9 – 0,9 . 10 )}$
    $\textit{= ( 51,048 . 4,9 + 51,048 . 4,7 ) . [ 0,9 . ( 9 + 1 – 10 ) ]}$
    $\textit{=( 51,048 . 4,9 + 51,048 . 4,7 ) . [ 0,9 . 0 ]}$
    $\textit{=( 51,048 . 4,9 + 51,048 . 4,7 ) . 0 }$
    $\textit{= 0}$
            Chúc bạn học tốt. Mình xin ctlhn nha

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

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