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

Toán Lớp 6: `10^2` + `8 . (180` – `4^2` `. 5) + 400 : 4`

Toán Lớp 6: 10^2 + 8 . (180 – 4^2 . 5) + 400 : 4

Comments ( 2 )

  1.  tus viết latex giỏi qué
    10^2 + 8 . ( 180 – 4^2 . 5 ) + 400 : 4
    = 10^2 + 8 . ( 180 – 16 . 5 ) + 400 : 4
    = 10^2 + 8 . ( 180 – 80 ) + 400 : 4
    = 10^2 + 8 . 100 + 400 : 4
    = 100 + 8 . 100 + 400 : 4
    = 100 + 800 + 100
    = 900 + 100
    = 1000
     

  2. 10^2 + 8 . ( 180 – 4^2 . 5 ) + 400 : 4
    = 10^2 + 8 . ( 180 – 16 . 5 ) + 400 : 4
    = 100 + 8 . ( 180 – 80 ) + 400 : 4
    = 100 + 8 . 100 + 400 : 4
    = 100 + 800 + 100
    = 900 + 100
    = 1000
     

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