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

Toán Lớp 8: -3ab^3.a^2bc giúp e vs ạ e đg cần gấp

Toán Lớp 8: -3ab^3.a^2bc
giúp e vs ạ e đg cần gấp

Comments ( 2 )

  1. -3ab^{3} . a^{2}bc
    ⇒ -3.a.a^{2}.b^{3}.b.c
    ⇒ -3a^{3}b^{4}c

  2. Giải đáp:
    -3ab^3.a^2bc
    =-3(a.a^2)(b^3.b).c
    = -3a^3 b^4c

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