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

Toán Lớp 8: ab^3c^2-a^2b^2c^2+ab^2c^3tính nhân tử

Toán Lớp 8: ab^3c^2-a^2b^2c^2+ab^2c^3tính nhân tử

Comments ( 2 )

  1. ab^3c^2-a^2b^2c^2+ab^2c^3
    =ab^2c^2 ( b – a + c ) ( đặt ab^2c^2 làm nhân tử chung )

  2. \qquad ab^3c^2-a^2b^2c^2+ab^2c^3
    =ab^2c^2. b-ab^2c^2. a+ab^2c^2. c
    =ab^2c^2(b-a+c)

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

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