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

Toán Lớp 4: 115+196-200+942+852+354-348-465=348+964-369=?

Toán Lớp 4: 115+196-200+942+852+354-348-465=348+964-369=?

Comments ( 2 )

  1.  115+196-200+942+852+354-348-465=348+964-369
    =115+196-200+942+852+354-348-465=    1312    -369
    =115+196-200+942+852+354-348-465=             943
    Chúc bạn học tốt
    Xin hay nhất ạ 
     

  2. 115 + 196 – 200 + 942 + 852 + 354 – 348 – 465 + 348 + 964 – 369
    = 311 – 200 + (942 + 852 + 354 – 348) – (465 – 348 – 964 + 369)
    = 111 + 1800 – (-478)
    = 1911 + 478
    = 2389
     

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