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

Toán Lớp 7: p) (phan nay minh khong ghi dau duoc mn thong cam:))) (-2/5) mu 2 x gia tri tuyet doi 1/3 – 3/5 dong ngoac x 2/5 x 1/5 + 4/3 giup vs a

Toán Lớp 7: p) (phan nay minh khong ghi dau duoc mn thong cam:)))
(-2/5) mu 2 x gia tri tuyet doi 1/3 – 3/5 dong ngoac x 2/5 x 1/5 + 4/3
giup vs a

Comments ( 1 )

  1. $\textit{Giải đáp + Lời giải và giải thích chi tiết:}$
    (-2/5)^2.|1/3-3/5| – 2/5. 1/5+4/3
    =-2^2/5^2.|5/15-9/15| – 2/10 + 4/3
    =4/25 . |-4/15| – 1/5 + 4/3
    =4/25 . 4/15 – 1/5 + 4/3
    =16/375-1/5+4/3
    =16/375-75/375+500/375
    =446/375

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