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

Toán Lớp 8: 1.Thực hiện phép tính b) 10x$y^{3}$ : 6$x^{2}$$y^{3}$

Toán Lớp 8: 1.Thực hiện phép tính
b) 10x$y^{3}$ : 6$x^{2}$$y^{3}$

Comments ( 2 )

  1. Giải đáp:
    $b) 10x^4y³:6x²y³$
    $= (10:6).(x^4:x^2).(y^3:y^3)$
    $= \dfrac{5}{3}x²$

  2. 10xy³:6x²y³
    =(10:6).(x^4:x²).(y³:y³)
    =5/3x² 
     

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

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