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

Toán Lớp 6: -21/22 . 4/11+ -21/22 . 7/11 – | -21/22|

Tháng Mười Hai 16, 2022 Toán học 2 Comments 0 views

Toán Lớp 6: -21/22 . 4/11+ -21/22 . 7/11 – | -21/22|

Comments ( 2 )

  1. myngocla
    myngocla
    16 Tháng Mười Hai, 2022 at 11:40 chiều
    Reply
    Giải đáp:
    $\dfrac{-21}{22}$ .$\dfrac{4}{11}$ +$\dfrac{-21}{22}$ .$\dfrac{7}{11}$ -/$\dfrac{-21}{22}$ /
    =$\dfrac{-21}{22}$ .$\dfrac{4}{11}$ +$\dfrac{-21}{22}$ .$\dfrac{7}{11}$ -$\dfrac{21}{22}$ 
    =$\dfrac{-21}{22}$ .$\dfrac{4}{11}$ +$\dfrac{-21}{22}$ .$\dfrac{7}{11}$ +$\dfrac{-21}{22}$ .1
    =$\dfrac{-21}{22}$ .($\dfrac{4}{11}$ +$\dfrac{7}{11}$ +$1$)
    =$\dfrac{-21}{22}$ .($\dfrac{4}{11}$ +$\dfrac{7}{11}$ +$\dfrac{11}{11}$ )
    =$\dfrac{-21}{22}$ .$\dfrac{22}{11}$ 
    =$\dfrac{-21.22}{22.11}$
    =$\dfrac{-21}{11}$ 

  2. dongoctuan
    dongoctuan
    16 Tháng Mười Hai, 2022 at 11:39 chiều
    Reply
    -21/22 . 4/11 + (-21)/22 . 7/11 – l(-21)/22l
    =-21/22 . 4/11 + (-21)/22 . 7/11 – 21/22
    = -21/22 (4/11 + 7/11 + 1)
    = -21/22 . 2
    =-21/11
    XIN 5 SAO VS HAY NHẤT AK
     

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

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