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

Toán Lớp 5: 55 x 30 x 2 + 110 x 50 + 55 x 40

Toán Lớp 5: 55 x 30 x 2 + 110 x 50 + 55 x 40

Comments ( 2 )

  1. 55 x 30 x 2 + 110 x 50 + 55 x 40
    =3300+5500+2200
    =8800+2200
    =11000
     

  2. 55 × 30 × 2 + 110 × 50 + 55 × 40
    = 110 × 30 + 110 × 50 + 55 × 2 × 20
    = 110 × 30 + 110 × 50 + 110 × 20
    = 110 × ( 30 + 50 + 20 )
    = 110 × 100
    = 11000

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