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

Toán Lớp 4: 2021-1+1+1+1+…+1(có 1001 số 1) Làm hộ con ạ

Toán Lớp 4: 2021-1+1+1+1+…+1(có 1001 số 1)
Làm hộ con ạ

Comments ( 2 )

  1. $2021$-$1$+$1$+$1$+$1$+…+$1$
    = $2021$ – $1$ + ( $1$ x $1000$ )
    = $2020$ + $1000$
    = $3020$

  2. 2021-1+1+1+1+…+1(có 1001 số 1)
    = 2020 +1 + 1 +1 + …. + 1 ( còn 1000 số 1 )
    = 2020 + ( 1000×1)
    = 2020 + 1000
    = 3020
    Hay nhất !!^^
     

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