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

Toán Lớp 4: Tính nhanh: 12756- 665 – 335 +724

Toán Lớp 4: Tính nhanh:
12756- 665 – 335 +724

Comments ( 2 )

  1. 12756- 665 – 335 +724 = ( 12756 + 724 ) – ( 665 + 335 )
                                          = 13480 – 1000
                                          = 12480.
     

  2. 12756-665-335+724
    =(12756+724)-(665+335)
    =13480-1000
    =12480

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