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

Toán Lớp 5: 3m2 14cm2 =……m2 A. 3,14. B.3,0014 C.314. D.30014

Toán Lớp 5: 3m2 14cm2 =……m2
A. 3,14. B.3,0014
C.314. D.30014

Comments ( 1 )

  1. @ ????????????????????????✨
    Giải đáp :
    -> Câu B : 3,0014
    Giải thích :
    3m^2=3m^2
    1cm^2=0,0001m^2
    => 14cm^2=14xx0,0001=0,0014m^2
    3m^2+0,0014m^2=3,0014m^2       

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

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